1657-8953
1657-8953
S1657-89532019000200095
10.22518/usergioa/jour/ccsh/2019.2/a04
Ecuador
00
12
2019
00
12
2019
19
37
95
102
[
2016
54
1
1
163-89
]
[
2009
]
[
2006
4
2
2
21-45
]
[
2008
66
49
49
89-113
]
[
2010
32
32
]
[
2014
0
0
0
65-85
]
[
2005
15-28
]
[
2012
]
[
2019
27
51
51
225-57
]
[
2016
]
[
2018
26
50
50
61-88
]