2631-2786
2631-2786
S2631-27862019000200055
10.35290/rcui.v6n3.2019.121
Ecuador
Ecuador
Ecuador
00
12
2019
00
12
2019
6
3
55
70
[
2010
26
1
1
186-208
]
[
2011
]
[
2014
]
[
2018
]
[
2017
]
[
2008
]
[
2009
]
[
1994
]
[
2012
66
1
1
173-80
]
[
1993
6
1
1
105-19
]
[
2008
449
449
]
[
2012
10
1
1
40-53
]
[
2010
]
[
2012
10
1
1
70-8
]
[
2012
19
1
1
103-21
]
[
1996
]
[
2008
9
1
1
61-72
]
[
2005
]
[
2013
]
[
2014
]
[
2015
]
[
2003
1-13
]
[
2016
32
2
2
65-70
]
[
2012
16
1
1
1-28
]
[
2016
30
1
1
1-4
]
[
1984
]
[
2017
33
83
83
24-41
]
[
1993
]
[
2010
17
48
48
11-34
]
[
UNESCO
2005
]
[
2000
22
1
1
103-42
]
[
2017
]
[
2013
]
[
2001
]
[
1995
]