2528-7907
2528-7907
S2528-79072020000300201
10.36097/rsan.v1i40.1409
Ecuador
Ecuador
Ecuador
00
09
2020
00
09
2020
40
201
215
[
2005
28
135-43
]
[
2017
17
2
2
116-24
]
[
2006
130
4
4
447-51
]
[
2016
47
1
1
14-37
]
[
2016
]
[
2005
28
51-63
]
[
2016
1
52-9
]
[
2016
16
9
9
63 -70
]
[
2017
12
30
30
1777-85
]
[
2005
52
6
6
]
[
2016
19
4
4
231-3
]
[
2005
3
199-201
]
[
2015
69-73
]
[
2011
368 - 378
]
[
1997
12
4
4
211 - 217
]
[
2018
64
250
250
89-103
]
[
2015
47
69 - 73
]
[
2019
]
[
2017
12
4
4
211-7
]
[
2009
55
216
216
12 -19
]
[
2015
5
3
3
105-6
]
[
2016
]
[
2014
396 - 405
]
[
2015
62
2
2
134-41
]
[
1990
]
[
2009
68
2
2
217 - 224
]
[
2019
25
1
1
59-63
]
[
2018
27
2
2
110-7
]
[
1986
]
[
2005
V3
33-46
]
[
2015
26
3
3
357-66
]
[
2014
27
4
4
428-38
]
[
2005
28
135-43
]
[
2017
23
2
2
177-83
]
[
2016
25
2
2
101-5
]