1990-8644
1990-8644
S1990-86442021000100260
Ecuador
00
02
2021
00
02
2021
17
78
260
265
[
2017
109
]
[
2018
9
24
24
58-80
]
[
2015
6
2
2
320-40
]
[
2018
22
2
2
1-19
]
[
2011
19
36
36
63-82
]
[
2011
2
49-68
]
[
2016
32
81
81
238-61
]
[
2012
1
1
1
79-102
]
[
2016
81
12-28
]
[
2019
21
36
36
149-74
]
[
2016
81
175-89
]
[
2011
3
1
1
19-28
]
[
2016
2
2
2
25-31
]
[
2014
12
2
2
95-106
]