1561-3194

1561-3194

S1561-31942023000800002

Ecuador

00 00 2023

00 00 2023

27

1

2014 vol 8586

257-81

2

2022 38 4 4

1129-30

3

2021 8 3 3

00023

4

2020 39 1 1

5

2022 19 3 3

1728

6

2022 21

00698-3.

7

2021

8

2002 9 4 4

36-42.

9

2018

10

2018

11

2019

12

2015