2218-3620

2218-3620

S2218-36202021000200410

Ecuador

Cuba

Angola

00 04 2021

00 04 2021

13 2 410 418

2019 2 2 2

1-13

2019 48

Colombia. Ministerio de Educación Nacional 2014

2018 20 34 34

156-72

2007

2018 39 35 35

2018 16 16 16

199-219

2019 11 3 3

292-306

2016 20 6 6

2016 11 17 17

9803-18

2017

2018 12 12

2018 9 9 9

1284-92

2017 39 53 53

2018 18 64 64

2020 3 1 1

29-38

2018

2014 11 3 3

1631-8