2218-3620
2218-3620
S2218-36202021000600381
Ecuador
Ecuador
00
12
2021
00
12
2021
13
6
381
393
[
2020
9
3
3
]
[
2021
4
2
2
248-64
]
[
2020
]
[
2020
9
5
5
]
[
1988
]
[
2009
]
[
Fals Borda
2012
]
[
1974
]
[
2017
20
2
2
09-25
]
[
2003
]
[
2017
]
[
2017
20
1
1
283-303
]
[
2012
]
[
2020
6
1
1
14-26
]
[
2020
]
[
2020
]
[
2020
]
[
2004
]
[
2004
]
[
2020
16
]
[
2020
12
5
5
136-42
]
[
2002
]