2631-2786
2631-2786
S2631-27862021000100117
10.35290/rcui.v8n3.2021.345
Ecuador
Ecuador
Ecuador
Ecuador
00
09
2021
00
09
2021
8
3
117
134
[
2016
50
]
[
2000
]
[
2012
10
4
4-18
]
[
2003
]
[
1996
]
[
2017
9
1
1-36
]
[
2009
11
2
1-18
]
[
2013
35
139
128-50
]
[
2003
]
[
2009
35
2-3
102-9
]
[
2015
]
[
2005
]