2528-7907
2528-7907
S2528-79072021000100158
10.36097/rsan.v0i45.1439
Ecuador
Ecuador
Ecuador
Ecuador
00
05
2021
00
05
2021
1
45
158
173
[
2013
17
3
3
415-25
]
[
2015
20
113-40
]
[
2020
35
2
2
293
]
[
2017
34
4
4
601-10
]
[
2011
26
3
3
601-37
]
[
2015
67
2
2
202-12
]
[
2015
66
3
3
160
]
[
2013
88
2
2
250-6
]
[
2018
15
2
2
24-37
]
[
2015
41
3
3
172-3
]
[
2013
21
4
4
]
[
2017
3
18-31
]
[
2017
59
3
3
236-47
]
[
2010
61
1
1
34-41
]
[
2013
10
3
3
98-104
]
[
2017
82
4
4
396-407.
]
[
2016
67
3
3
207-14
]
[
2015
1695
6141
6141
455-66
]
[
2019
35
2
2
1-13
]
[
2009
44
1
1
55-63
]
[
2018
1
21
21
74-87
]
[
2016
94
1
1
11-7
]
[
]
[
2013
]
[
2013
39
5
5
915-28
]
[
2016
14
1
1
]
[
2014
46
2
2
127-136.
]
[
2009
23
2
2
199-209
]
[
2020
37
2
2
357-76
]
[
2019
42
2
2
144-9
]
[
2018
4
311-21
]
[
2016
170
1
1
52-61
]
[
2017
]