2631-2786
2631-2786
S2631-27862020000300025
10.35290/rcui.v7n3.2020.282
Ecuador
Ecuador
Ecuador
Ecuador
00
12
2020
00
12
2020
7
3
25
36
[
2020
7
1
1
137-52
]
[
2011
11
1
1
1-32
]
[
2010
9
1
1
]
[
2019
43
553-6
]
[
2018
53
9
9
1689-99
]
[
2017
6
6
6
1-18
]
[
2014
1
4
4
193-201
]
[
2018
1
1
8
]
[
2010
14
1
1
327-38
]
[
2018
14
62
62
1-5
]
[
2016
]
[
2013
76
649-53
]
[
2007
]
[
2017
17
73
73
117-31
]
[
2016
1-12
]
[
2014
16
2
2
75-80
]