2631-2786
2631-2786
S2631-27862020000200075
10.35290/rcui.v7n2.2020.300
Ecuador
Ecuador
00
08
2020
00
08
2020
7
2
75
92
[
1985
1985
29
29
41-54
]
[
2017
6
15
15
321-39
]
[
2015
28
0
0
]
[
1961
]
[
1949
2
2
2
129-52
]
[
2015
27
3
3
1085-101
]
[
2017
33
3
3
680-8
]
[
2016
19
2
2
331-46
]
[
2014
Sexta
]
[
2016
]
[
1976
]
[
1999
]
[
2018
7
14
14
29-38
]
[
2014
29
29
8-18
]
[
MINEDUC
2016
]
[
2019
18
19
19
]
[
2017
9
]
[
2015
9
2
2
91-110
]
[
1999
]
[
UNESCO
2011
]
[
1978
23
3
3
34-41
]
[
1979
]