1607-4041
1607-4041
S1607-40412021000100014
10.24320/redie.2021.23.e14.3673
Ecuador
Colombia
Spain
00
00
2021
00
00
2021
23
[
2013
124
124
63-70
]
[
2016
145-58
]
[
2017
245-65
]
[
2013
10
1
1
365-70
]
[
2018
73
1
1
67-82
]
[
2017
27
1
1
118-37
]
[
2014
3
1
1
131-54
]
[
2017
72
1
1
4-23
]
[
2013
10
18
18
45-77
]
[
2019
74
3
3
306-17
]
[
1972
]
[
2000
21
1
1
137-52
]
[
2006
7
1
1
19-34
]
[
2019
24
13-24
]
[
2014
16
4
4
227-99
]
[
2015
14
83-96
]
[
2017
54
3
3
185-98
]
[
2018
5
2
2
61-72
]
[
2014
4
2
2
1-8
]
[
2017
16
1
1
76-96
]
[
1995
62
2
2
129-58
]
[
2007
12
10
10
1-8
]
[
2017
73
2
2
182-99
]
[
2020
14
1
1
84-103
]
[
2016
10
1
1
123-39
]
[
2018
19
6
6
877-91
]
[
2017
25
51
51
73-82
]
[
2018
21
1
1
17-40
]
[
2013
2
2
2
207-14
]
[
2019
74
74
]
[
2007
10
19
19
9-15
]
[
2006
]
[
2013
]
[
2016
]
[
2010
11
4
4
511-23
]
[
2013
3
2
2
26-44
]
[
2017
21
98
98
118-49
]
[
2007
1
1
1
20-32
]
[
2020
47
47
61-4
]
[
2008
40
1485-500
]
[
2016
71
4
4
400-12
]
[
2015
33
1
1
85-100
]
[
2003
41
4
4
376-82
]
[
2007
25
2
2
351-66
]
[
2015
31
5
5
856-70
]
[
2008
17-36
]
[
2015
]
[
2016
53
1
1
18-31
]
[
2015
16
1
1
122-42
]
[
2011
40
8
8
959-61
]
[
2014
51
18-31
]
[
2003
10
2
2
170-85
]
[
2018
73
1
1
37-49
]
[
2020
21
5
5
697-712
]
[
2012
]
[
2015
31
31
151-70
]
[
2014
]
[
2017
3
2
2
109-17
]
[
2015
9
2
2
123-37
]
[
2020
75
1
1
52-7
]
[
2015
6
1
1
87-105
]
[
2016
54
1
1
32-45
]