2631-2786
2631-2786
S2631-27862021000200093
10.35290/rcui.v8n2.2021.411
Ecuador
Ecuador
00
08
2021
00
08
2021
8
2
93
111
[
2017
10
3
3
]
[
2002
]
[
1994
]
[
1999
]
[
2005
19
3
3
]
[
2008
29
2
2
157-71
]
[
2014
7
1
1
233-46
]
[
2006
10
10
]
[
2018
]
[
2011
]
[
2015
]
[
2012
36
1
1
1-24
]
[
2010
15
1
1
95-107
]
[
2017
]
[
12
Su2
Su2
344-7
]
[
2008
]
[
2018
22
1
1
]
[
2017
29
1
1
59-71
]
[
2017
1
4
4
]
[
2006
4
2
2
158-60
]
[
2014
38
83
83
155-80
]
[
2018
13
1
1
33-45
]
[
2013
25
]
[
1997
]
[
2012
16
16
]
[
2005
]
[
2018
61
61
143-73
]
[
2016
11
11
70-81
]