2215-3411
2215-3411
S2215-34112021000200039
10.15517/ijds.2021.44128
Ecuador
Ecuador
00
08
2021
00
08
2021
23
2
39
51
[
1980
59
3
3
13-8
]
[
2014
18
5
5
586-92
]
[
2017
8
12
12
20496-509
]
[
2018
20
2
2
85-90
]
[
2015
34
72
72
91
]
[
2017
8
1
1
90-5.
]
[
2015
30
8
8
2195-03.
]
[
2019
10
2
2
214-9.
]
[
2016
3
1
1
1-4
]
[
1980
100
5
5
713-21
]
[
2017
3
1
1
1-7
]
[
2012
32
4
4
e142-6
]
[
2015
13
2
2
139-48
]
[
2013
4
2
2
54
]
[
2016
55
9
9
1005-13
]
[
2017
8
4
4
]
[
1980
43
4
4
392-6
]
[
2011
29
2
2
622-7
]
[
2007
45
2
2
240-3
]
[
2014
93
27
27
1-6
]
[
2016
75
]
[
2019
]
[
2015
21
1
1
1-9
]
[
2016
9
3
3
296-303
]
[
2015
10-3
]
[
2014
29
2
2
537-44
]
[
2020
3896386
]
[
2014
10
1
1
1-7
]
[
2013
2
2
2
]
[
2015
6
1
1
16-20
]
[
2019
5
2
2
83-91
]
[
2013
5
1-2
1-2
57-65
]
[
2014
18
6
6
705-9
]
[
2018
154
1
1
82-90.e2
]
[
2011
24
3
3
133-42
]
[
2011
15
2
2
161-8
]
[
2014
11
2
2
184-9
]
[
2020
24
1
1
47-53
]
[
2019
24
54-65
]
[
2012
4
1
1
787-90
]
[
2012
16
4
4
614-9
]
[
2018
13
1
1
38-43
]
[
2017
11
4
4
192-5
]
[
2017
5
6
6
459-64
]
[
2018
33
8
8
1647-56
]
[
2004
98
5
5
522-7
]
[
2015
33
8
8
424-36
]
[
2015
8
2
2
139-43
]
[
2001
11
5
5
383-90
]
[
2019
9
1
1
14-8
]
[
2019
10
2
2
131-8
]
[
2016
13
6
6
]
[
2017
112-5
]
[
2006
18
3
3
135-43
]
[
2009
80
2
2
317-23
]
[
2005
153
3
3
521-5
]
[
2017
27
4
4
242-6
]
[
2019
13
4
4
481-5
]