2631-2786
2631-2786
S2631-27862020000100137
10.35290/rcui.v7n1.2020.187
Ecuador
Ecuador
Ecuador
Ecuador
00
04
2020
00
04
2020
7
1
137
152
[
2017
]
[
2018
42
2
2
1-35
]
[
2016
12
3
3
207-14
]
[
2016
]
[
2014
]
[
2016
34
2
2
413-44
]
[
2013
7
1
1
83-95
]
[
2015
]
[
2013
34
134
134
131-55
]
[
2014
32
3
3
271-80
]
[
2014
]
[
2016
11
2
2
36-52
]
[
2014
5
1
1
11
]
[
2015
]
[
2015
20
1
1
117-38
]
[
2004
13
2
2
9-20
]
[
2007
41
1
1
103-20
]
[
2013
45
3
3
449-59
]
[
2014
6ta
6ta
]
[
2018
9
16
16
83-97
]
[
2014
]
[
2014
22
2
2
165-78
]
[
2014
10
1
1
11
]
[
2018
21
2
2
88-109
]
[
2016
2
1
1
76-94
]
[
2017
42
42
7-11
]
[
2013
]
[
2015
6
2
2
169-83
]
[
2018
12
20
20
173-97
]
[
2016
]