2528-7907
2528-7907
S2528-79072021000400126
10.36097/rsan.v1i47.1721
Ecuador
Ecuador
00
11
2021
00
11
2021
1
47
126
142
[
2009
50
1
1
26-32
]
[
2017
91
1-11
]
[
2011
13
410-20
]
[
2011
13
1-6
]
[
2008
4
5
5
]
[
2019
93
9
9
]
[
2012
26
6
6
726-33
]
[
2018
]
[
]
[
]
[
9,
57-72
]
[
2018
20
1
1
38-47
]
[
2005
8
1
1
38-45
]
[
2007
58
9
9
386-92
]
[
2005
56
4
4
161-70
]
[
016
]
[
2016
28),
82-5
]
[
2012
26
6
6
820-e15
]
[
(201
3
13
105-18
]