<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1996-3521</journal-id>
<journal-title><![CDATA[Infodir]]></journal-title>
<abbrev-journal-title><![CDATA[Infodir]]></abbrev-journal-title>
<issn>1996-3521</issn>
<publisher>
<publisher-name><![CDATA[Editorial de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1996-35212023000300008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Validación del cuestionario de calidad de vida QLQ-C30 para diferentes tipos de cáncer]]></article-title>
<article-title xml:lang="en"><![CDATA[Validation of the QLQ-C30 Quality of Life Questionnaire for Different Types of Cancer]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Viada González]]></surname>
<given-names><![CDATA[Carmen Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bouza Herrera]]></surname>
<given-names><![CDATA[Carlos Narciso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ballesteros Rodríguez]]></surname>
<given-names><![CDATA[Francisco Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fors López]]></surname>
<given-names><![CDATA[Martha María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarez Cardona]]></surname>
<given-names><![CDATA[Mabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Fernández]]></surname>
<given-names><![CDATA[Lázara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Frias Blanco]]></surname>
<given-names><![CDATA[Aliuska]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bringas Vega]]></surname>
<given-names><![CDATA[María Luisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Inmunología Molecular  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la Habana  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad del País Vasco  ]]></institution>
<addr-line><![CDATA[País Vasco ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de las Américas  ]]></institution>
<addr-line><![CDATA[Quito ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Centro de Neurociencias  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<numero>42</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1996-35212023000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1996-35212023000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1996-35212023000300008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La calidad de vida relacionada con la salud o salud percibida es la evaluación subjetiva que hace la persona sobre su enfermedad, su tratamiento y el bienestar. Para pacientes con cáncer se aplica el cuestionario QLQ-C30.  Objetivos: Evaluar las propiedades métricas del cuestionario QLQ-C30 en pacientes cubanos con cáncer.  Métodos: La muestra estuvo conformada por 1785 pacientes, a los que se le aplicó el cuestionario QLQ-C30. De ellos, 1107 participaban en cinco ensayos clínicos de cáncer de pulmón, 279 pacientes en tres ensayos de cabeza y cuello, 113 pacientes en dos ensayos de cáncer de próstata, 146 pacientes en dos ensayos de cáncer de mama y 140 pacientes en un ensayo de cáncer de cérvix. Para evaluar la fiabilidad se utilizó el alfa de Cronbach de los ítems. Para evaluar la consistencia interna se empleó el alfa de Cronbach de las dimensiones.  Resultados: Hubo una buena estabilidad en el tiempo, ya que el alfa de Cronbach fue superior a 0,7 para todos los ítems. La consistencia interna fue buena ya que el valor de alfa de Cronbach fue superior a 0,7 para todas las dimensiones.  Conclusiones: El cuestionario QLQ-C30 presentó buenas propiedades métricas en pacientes cubanos con cáncer.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Health-related quality of life or perceived health is the person's subjective assessment of his or her illness, treatment and well-being. The QLQ-C30 questionnaire is applied to cancer patients.  Objectives: To evaluate the metric properties of the QLQ-C30 questionnaire in Cuban cancer patients.  Methods: The sample consisted of 1785 patients to whom the QLQ-C30 questionnaire was applied. Of these, 1107 patients participated in five lung cancer clinical trials, 279 patients in three head and neck trials, 113 patients in two prostate cancer trials, 146 patients in two breast cancer trials and 140 patients in one cervical cancer trial. Cronbach's alpha of the items was used to assess reliability. Cronbach's alpha of the dimensions was used to assess internal consistency.  Results: There was good stability over time, since Cronbach's alpha was greater than 0.7 for all items. Internal consistency was good as Cronbach's alpha value was above 0.7 for all dimensions.  Conclusions: The QLQ-C30 questionnaire presented good metric properties in Cuban cancer patients.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[calidad de vida]]></kwd>
<kwd lng="es"><![CDATA[psicometría]]></kwd>
<kwd lng="es"><![CDATA[estudio de validación]]></kwd>
<kwd lng="es"><![CDATA[reproducibilidad de los resultados]]></kwd>
<kwd lng="en"><![CDATA[quality of life]]></kwd>
<kwd lng="en"><![CDATA[psychometrics]]></kwd>
<kwd lng="en"><![CDATA[validation study]]></kwd>
<kwd lng="en"><![CDATA[reproducibility of results]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sanz]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Valor y cuantificación de la calidad de vida en Medicina]]></article-title>
<source><![CDATA[Medicina Clínica (Barc)]]></source>
<year>1991</year>
<volume>96</volume>
<page-range>66-9</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fayers]]></surname>
<given-names><![CDATA[P.M.,]]></given-names>
</name>
<name>
<surname><![CDATA[Machin]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Quality of Life: The Assessment, Analysis and Interpretation]]></source>
<year>2000</year>
<publisher-loc><![CDATA[Chichester ]]></publisher-loc>
<publisher-name><![CDATA[J Wiley &amp; Sons Ltd]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Revicki]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Osoba]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Fairclough]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Barofsky]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Berzon]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Leidy]]></surname>
<given-names><![CDATA[NK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recommendations on health-related quality of life research to support labelling and promotional claims in the United States]]></article-title>
<source><![CDATA[Quality of Life Research]]></source>
<year>2000</year>
<volume>9</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>887-900</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aaronson]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Burnam]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lohr]]></surname>
<given-names><![CDATA[KN]]></given-names>
</name>
<name>
<surname><![CDATA[Patrick]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Perrin]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Assessing health status and quality-of-life instruments: attributes and review criteria]]></article-title>
<source><![CDATA[Qual Life Res]]></source>
<year>2002</year>
<volume>11</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>193-205</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Koller]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lorenz]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quality of life: a deconstruction for clinicians]]></article-title>
<source><![CDATA[J R Soc Med]]></source>
<year>2002</year>
<volume>95</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>481-8</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bowling]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<collab>Health-Related Quality of Life</collab>
<source><![CDATA[Conceptual Meaning, Use and Measurement. In: Bowling A, editor. Measuring Disease: A Review of Disease-Specific Quality of Life Measurement Scales]]></source>
<year>2001</year>
<edition>2nd</edition>
<publisher-loc><![CDATA[Buckingham ]]></publisher-loc>
<publisher-name><![CDATA[Open University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<label>7.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Badia]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Medidas genéricas de Calidad de Vida Relacionada con la Salud]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Badia]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[La medida de la salud. Guía de escalas de medición en español]]></source>
<year>2007</year>
<page-range>131-209</page-range><publisher-loc><![CDATA[Barcelona ]]></publisher-loc>
<publisher-name><![CDATA[EDITTEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<label>8.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Patrick]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Deyo]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Generic and Disease-Specific Measures in Assessing Health Status and Quality of Life]]></article-title>
<source><![CDATA[Med Care]]></source>
<year>1989</year>
<volume>27</volume>
<numero>^s3</numero>
<issue>^s3</issue>
<supplement>3</supplement>
</nlm-citation>
</ref>
<ref id="B9">
<label>9.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guyatt]]></surname>
<given-names><![CDATA[GH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The philosophy of health-related quality of life translation]]></article-title>
<source><![CDATA[Qual Life Res]]></source>
<year>1993</year>
<volume>2</volume>
<page-range>461-5</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Testa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Dermen]]></surname>
<given-names><![CDATA[KH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The differential correlates of sexual coercion and rape]]></article-title>
<source><![CDATA[Journal of Interpersonal Violence]]></source>
<year>1999</year>
<volume>14</volume>
<page-range>548-61</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Testa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[VanZile-Tamsen]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Livingston]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prospective prediction of women's sexual victimization by intimate and nonintimate male perpetrators]]></article-title>
<source><![CDATA[Journal of Consulting and Clinical Psychology]]></source>
<year>2007</year>
<volume>75</volume>
<page-range>52-60</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Staquet]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Hays]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Fayers]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
</person-group>
<source><![CDATA[Quality of life assessment in clinical trials. Methods and practices]]></source>
<year>1998</year>
<page-range>281-96</page-range><publisher-loc><![CDATA[Oxford ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<label>13.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Streiner]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Norman]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[Health Measurement Scales: A Practical Guide to Their Development and Use]]></source>
<year>1995</year>
<edition>2nd</edition>
<publisher-loc><![CDATA[Oxford ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<label>14.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chronbach]]></surname>
<given-names><![CDATA[LJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coefficient alpha and the internal structure of the test]]></article-title>
<source><![CDATA[Psychometrika]]></source>
<year>1951</year>
<volume>16</volume>
<page-range>297-334</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chronbach]]></surname>
<given-names><![CDATA[LJ.]]></given-names>
</name>
<name>
<surname><![CDATA[Mehl]]></surname>
<given-names><![CDATA[PE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Construct validity in psychological tests]]></article-title>
<source><![CDATA[Psychological Bulletin]]></source>
<year>1955</year>
<volume>52</volume>
<page-range>281-302</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Deyo]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Cherkin]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Conrad]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Volinn]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cost, controversy, crisis: low back pain and the health of the public]]></article-title>
<source><![CDATA[Annu Rev Public Health]]></source>
<year>1991</year>
<volume>12</volume>
<page-range>141-56</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Husted]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Farewell]]></surname>
<given-names><![CDATA[VT]]></given-names>
</name>
<name>
<surname><![CDATA[Gladman]]></surname>
<given-names><![CDATA[DD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Methods for assessing responsiveness: a critical review and recommendations]]></article-title>
<source><![CDATA[J Clin Epidemiol]]></source>
<year>2000</year>
<volume>53</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>459-68</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Terwee]]></surname>
<given-names><![CDATA[C.B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quality criteria were proposed for measurement properties of health status questionnaires]]></article-title>
<source><![CDATA[Journal of Clinical Epidemiology]]></source>
<year>2007</year>
<volume>60</volume>
<page-range>34-42</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bjordal]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[de Graeff]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Fayers]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Hammerlid]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[van Pottelsberghe]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Curran]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A 12 country field study of the EORTC QLQ-C30 (version 3.0) and the head and neck cancer specific module (The EORTC QLQ-H&amp;N35)]]></article-title>
<source><![CDATA[European Journal of Cancer]]></source>
<year>2000</year>
<volume>36</volume>
<page-range>213-9</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arribas]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diseño y validación de cuestionarios]]></article-title>
<source><![CDATA[Matronas Profesión]]></source>
<year>2004</year>
<volume>5</volume>
<numero>17</numero>
<issue>17</issue>
<page-range>23-9</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Badía]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Carné]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La evaluación de la calidad de vida en el contexto del ensayo clínico]]></article-title>
<source><![CDATA[Med Clin]]></source>
<year>1998</year>
<volume>110</volume>
<page-range>550-6</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Foguet]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Coenders]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Introducción a los modelos estructurales. Utilización del análisis factorial confirmatorio para la depuración de un cuestionario]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Renom]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Tratamiento informatizado de datos]]></source>
<year>1998</year>
<page-range>229-86</page-range><publisher-loc><![CDATA[Barcelona ]]></publisher-loc>
<publisher-name><![CDATA[Masson]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<label>23.</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Nieves]]></surname>
<given-names><![CDATA[ZI]]></given-names>
</name>
<name>
<surname><![CDATA[Grau]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Validación del Cuestionario de Procesos de Estudio en una población cubana]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Villa Clara ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Central Martha Abreu de las Villas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<label>24.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escofet]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Folgueiras]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Luna]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Palou]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Elaboración y validación de un cuestionario para la valoración de proyectos de aprendizaje-servicio]]></article-title>
<source><![CDATA[RMIE]]></source>
<year>2016</year>
<volume>21</volume>
<numero>70</numero>
<issue>70</issue>
<page-range>929-49</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martín]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diseño y validación de cuestionarios]]></article-title>
<source><![CDATA[Matronas Profesión]]></source>
<year>2004</year>
<volume>5</volume>
<numero>17</numero>
<issue>17</issue>
<page-range>23-9</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Lalangui]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Maldonado]]></surname>
<given-names><![CDATA[AV]]></given-names>
</name>
<name>
<surname><![CDATA[Palmero]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validación de un instrumento sobre los destinos turísticos para determinar las potencialidades turísticas en la provincia de El Oro, Ecuador]]></article-title>
<source><![CDATA[Revista Universidad y Sociedad]]></source>
<year>2019</year>
<volume>11</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>341-6</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
