2631-2654
2631-2654
S2631-26542021000200152
10.37135/ns.01.08.10
Ecuador
00
11
2021
00
11
2021
4
2
152
172
[
2019
]
[
2020
]
[
2021
]
[
2019
649
120-7
]
[
2019
9
58
58
34011-22
]
[
2019
]
[
2018
6
3
3
6-17
]
[
2017
13
16
]
[
2019
93
1409-21
]
[
2020
10
1
1
219-22
]
[
2020
7
4
4
120-5
]
[
2011
47
4
4
653-76
]
[
2020
32
2
2
75-86
]
[
2013
]
[
2012
]
[
2018
63
141-56
]
[
2008
]
[
2007
16
13
13
3835-49
]
[
2012
29
1
1
99-112
]
[
2018
]
[
2019
]
[
2021
]
[
2018
]
[
2020
]
[
2013
114
1
1
1-11
]
[
2019
42
2
2
187-9
]
[
2020
720
]
[
2012
78
19-33
]
[
2017
]
[
2021
14
36
36
34 - 44
]
[
2013
32
1
1
251-63
]
[
2019
]
[
2018
11
]
[
2012
31-66
]
[
2019
36
1
1
40-50
]
[
2021
27
1
1
1-18
]
[
2018
]
[
2013
]
[
2017
1
1
]
[
2020
9
2
2
]
[
2018
2
12
12
1-10
]