2409-8752
2409-8752
S2409-87522020000100003
10.18004/ucsa/2409-8752/2020.007.01.003-011
Ecuador
Ecuador
00
04
2020
00
04
2020
7
1
3
11
[
2015
18
1
1
31-41
]
[
2006
70
3
3
32−43
]
[
2009
90
141-53
]
[
2006
]
[
2012
]
[
2010
25
25
9-24
]
[
2016
14
2
2
139-47
]
[
2015
463-78
]
[
2009
]
[
2014
41
18-34
]
[
2010
20
4
4
410-8
]
[
1932
16
241−246
]
[
2015
4
1
1
32-47
]
[
2018
52
1/2
1/2
4-38
]
[
2012
]
[
1995
22
229-38
]
[
2016
6
2
2
105-14
]
[
2010
]
[
2014
]
[
1996
60
2
2
67-80
]