1990-8644
1990-8644
S1990-86442022000400251
Ecuador
00
08
2022
00
08
2022
18
87
251
257
[
2016
26
26
117-24
]
[
2005
]
[
2002
]
[
2017
57
3
3
205-17
]
[
2015
11
4
4
91-100
]
[
2016
1
2016
2016
33-41
]
[
2017
28
4
4
33-48
]
[
2005
]
[
2011
5taEdición
]
[
2013
7
13
13
20-5
]
[
2012
11
1
1
9-34
]
[
2004
]
[
1997
]
[
1998
]