1990-8644
1990-8644
S1990-86442021000400187
Ecuador
00
08
2021
00
08
2021
17
81
187
195
[
2017
60
268-78
]
[
2007
3
5
5
1-9
]
[
2016
7
4
4
57-74
]
[
2018
61
61
123-39
]
[
2013
41
2
2
79-81
]
[
2014
]
[
2017
15
3
3
5-34
]
[
2003
]
[
2019
6
3
3
52-62
]
[
2020
1
1
1
7-17
]
[
2017
]
[
2011
]
[
2014
37
193-217
]
[
2016
13
43
43
1-37
]
[
2015
41
1-22
]
[
2010
]