<?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>2218-3620</journal-id>
<journal-title><![CDATA[Revista Universidad y Sociedad]]></journal-title>
<abbrev-journal-title><![CDATA[Universidad y Sociedad]]></abbrev-journal-title>
<issn>2218-3620</issn>
<publisher>
<publisher-name><![CDATA[Editorial "Universo Sur"]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2218-36202021000300084</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Producción científica en ingeniería: análisis comparativo de países de Suramérica del 2008 al 2018]]></article-title>
<article-title xml:lang="en"><![CDATA[Scientific production in engineering: comparative analysis of South American countries from 2008 to 2018]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arriojas Tocuyo]]></surname>
<given-names><![CDATA[Dany Day Josefina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marín Velásquez]]></surname>
<given-names><![CDATA[Tomás Darío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Petróleos de Venezuela  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Oriente  ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>13</volume>
<numero>3</numero>
<fpage>84</fpage>
<lpage>93</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2218-36202021000300084&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2218-36202021000300084&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2218-36202021000300084&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo de la investigación fue comparar la producción científica en el área de ingeniería entre los países de Suramérica durante el periodo 2008 -2018. Se obtuvieron datos número de documentos publicados por cada país, relación de citas por documentos y porcentajes de autocitas, extraídos del portal Scimago Journal Ranking durante el periodo de estudio. Los datos fueron tabulados y procesados mediante gráficos y análisis estadístico para comparar mediante análisis de varianza de Kruskal Wallis e igualdad de distribuciones de Kolmogorov Smirnov las tendencias de las variables, con un valor de significancia p = 0,05. Se obtuvo que existen diferencias significativas entre la cantidad de documentos publicados por los países, destacándose Brasil y Colombia, así mismo se observó diferencias en la producción científica en ingeniería respecto a la variable porcentaje de autocitas, igualmente con Brasil y Colombia como los países con el porcentaje más alto de esta variable y Venezuela como el país con menos porcentaje de autocitas. Respecto a la variable citas por documentos, no se observó diferencias significativas, lo que indica que la importancia de los documentos en similar, sin importar el país, ya que las citas por documentos son también similares.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The objective of the research was to compare the scientific production in the engineering area among the countries of South America during the period 2008 -2018. We obtained data on number of documents published by each country, citation ratio by documents and percentages of self-citations, extracted from the Scimago Journal Ranking Web site during the study period. The data were tabulated and processed by means of graphs and statistical analysis to compare by means of analysis of variance of Kruskal Wallis and equality of distributions of Kolmogorov Smirnov the trends of the variables, with a significance value p = 0.05. It was obtained that significant differences exist between the amount of documents published by the countries, standing out Brazil and Colombia, likewise differences were observed in the scientific production in engineering with respect to the variable percentage of self-citations, equally with Brazil and Colombia as the countries with the highest percentage of this variable and Venezuela as the country with less percentage of self-citations. With respect to the variable citations by documents, no significant differences were observed, which indicates that the importance of the documents is similar, regardless of the country, since the citations by documents are also similar.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Artículos científicos]]></kwd>
<kwd lng="es"><![CDATA[ingeniería]]></kwd>
<kwd lng="es"><![CDATA[Suramérica]]></kwd>
<kwd lng="es"><![CDATA[citas]]></kwd>
<kwd lng="es"><![CDATA[producción]]></kwd>
<kwd lng="en"><![CDATA[Scientific papers]]></kwd>
<kwd lng="en"><![CDATA[engineering]]></kwd>
<kwd lng="en"><![CDATA[South America]]></kwd>
<kwd lng="en"><![CDATA[citations]]></kwd>
<kwd lng="en"><![CDATA[production]]></kwd>
</kwd-group>
</article-meta>
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