2631-2484
2631-2484
S2631-24842020000200065
10.32719/26312484.2020.33.4
Ecuador
00
06
2020
00
06
2020
33
65
83
[
2019
]
[
2000
]
[
2013
]
[
2016
2
4
4
]
[
2014
1
]
[
2009
]
[
1979
]
[
2010
]
[
2016
]
[
2018
10
57-72
]
[
2019
]
[
2009
7
14
14
59-81
]
[
Universia
2017
]
[
2006
]
[
1993
]
[
2012
]
[
1997
]
[
1982
]
[
1962
]
[
1993
]
[
1962
]
[
1966
]