1990-8644

1990-8644

S1990-86442023000200455

Ecuador

00 04 2023

00 04 2023

19 91 455 467

2021 18 1 1

28-44

2022 27 7 7

150-66

2003

1996 14 4 4

356-64

2020 41 21 21

254-71

2022 13 1 1

63-73

2004 5 3 3

389-413

2021 6 1 1

1-17

2020 12 8 8

2-24

2016 15 2 2

109-20

2013 8 2 2

652-8

2007 13 2 2

97-111

2022

2008 26 2 2

65-78

2001 2 4 4

344-58

2017 26 1 1

225-43

United Nations Educational, Scientific and Cultural Organization 2017

2017 62 1 1

185-206

2019