1990-8644

1990-8644

S1990-86442020000400349

Ecuador

00 08 2020

00 08 2020

16 75 349 358

2012 61

1-38

2009

2005

2018 23 2 2

162-79

2016 12 55 55

129-34

Ecuador. Universidad Regional Autónoma de Los Andes 2017

2019

1973

2016 4 7 7

1-8

2009 42 125 125

881-930

2015

2016 46

7-31

2017

27-367-375

2014 49

1-10

2016 28

19-40

1978

2015 9 1-2 1-2

15-32

2016 30

203-22

2016

1964