2631-2786
2631-2786
S2631-27862020000100153
10.35290/rcui.v7n1.2020.200
Ecuador
Ecuador
Ecuador
00
04
2020
00
04
2020
7
1
153
164
[
N° 9
N° 9
]
[
2018
18
1
1
1-9.
]
[
2015
31
134
134
8-19
]
[
2018
14
63
63
268-73
]
[
2015
40
3
3
254-71
]
[
2015
31
1
1
58-69
]
[
2016
]
[
2016
37
2
2
1-7
]
[
2014
30
2
2
179-83
]
[
2007
]
[
2009
42
43-61
]
[
2017
4
2
2
376-95
]
[
2016
]
[
2018
]
[
2015
4
2
2
40-8
]
[
2018
]
[
2015
13
3
3
455-7
]
[
2014
84-98
]
[
2015
17
5
5
1-6
]
[
2016
20
2
2
1-20
]
[
2014
12
1
1
1-14
]
[
2018
39
13
13
1-16
]
[
2014
]
[
2012
21
3
3
1-11
]
[
2012
109
109
21-30
]
[
2018
1-20
]
[
2018
]
[
2015
1-8
]
[
2014
]