2616-7964
2616-7964
S2616-79642021000400237
10.33996/revistahorizontes.v5i20.268
Ecuador
00
09
2021
00
09
2021
5
20
237
245
[
2016
]
[
2010
943
]
[
2002
]
[
2012
]
[
2001
]
[
2008
12
1
1
1
]
[
2009
5
6
6
143
]
[
2004
]
[
1997
20-21
20-21
797-811
]
[
2014
]
[
2018
9
2
2
241-55
]
[
2015
]
[
2005
605-20
]
[
2019
2
2
20
]
[
2019
]
[
2013
1
1
71-84
]
[
2015
17
2
2
]
[
1993
]
[
2016
3
2
2
15-21
]
[
2017
]
[
2018
]
[
2018
]