1688-9339
1688-9339
S1688-93392021000201208
10.22592/ode2021n37e208
Ecuador
00
00
2021
00
00
2021
23
38
[
2018
106
19-24
]
[
2018
8
6
6
503-7
]
[
Mejía Arredondo Gilmar
2011
8
88
88
4
]
[
2015
7
2
2
e212-7
]
[
2016
19
1
1
12-5
]
[
2013
5
2
2
35-43
]
[
2017
32
73
73
25-33
]
[
2014
48
2
2
123-31
]
[
2016
3
2
2
63-72
]
[
2005
198
707-11
]
[
2012
15
2
2
156-60
]
[
2005
31
1
1
37-9
]
[
2005
38
179-85
]