1990-8644
1990-8644
S1990-86442022000200053
Ecuador
00
04
2022
00
04
2022
18
85
53
59
[
2007
]
[
2013
]
[
2015
]
[
2002
]
[
2002
19
15-8
]
[
2018
55
09-18
]
[
2011
12
7
7
778-93
]
[
2013
28
28
9-14
]
[
2016
16
2
2
132-40
]
[
2012
0
120
120
73-7
]
[
2003
9-10
9-10
121-41
]
[
2017
19
35
35
105-16
]
[
2008
]