2528-7907
2528-7907
S2528-79072021000500078
10.36097/rsan.v0i48.1741
Ecuador
Ecuador
Ecuador
Ecuador
00
02
2021
00
02
2021
1
48
78
96
[
2019
31
9
9
151-61
]
[
2015
5
31
31
51-74
]
[
2018
2
20
20
1-11
]
[
2020
]
[
2018
2
3
3
61-82
]
[
2015
1
13
13
57-77
]
[
2007
]
[
2020
]
[
2015
3
XXXVI
XXXVI
328-39
]
[
2019
1
92
92
1-21
]
[
2016
186
47
47
3-8
]
[
2017
2
15
15
163-78
]
[
2019
1
20
20
54-72
]
[
Instituto Politécnico Nacional
2007
1
10
10
1-10
]
[
2018
1
12
12
13-24.
]
[
2019
2
55
55
543-60
]
[
2021
]
[
2014
]
[
2020
22
8
8
1-15
]
[
2019
2
38
38
1-13
]
[
2016
1
4
4
85-105
]
[
2018
1
7
7
37-52
]
[
Naciones Unidas
2015
]
[
2017
428
42
42
1-20
]
[
2019
3
4
4
05-9
]
[
2017
1
22
22
120-45
]
[
2018
93-107
]
[
2017
3
10
10
21-30
]
[
2018
1
10
10
33-43
]
[
2020
]
[
2017
2
36
36
113-25
]
[
2020
1
41
41
1-20
]
[
2018
2
9
9
121-39
]
[
2015
19
13
13
165-92
]
[
2015
2
59
59
162-76
]
[
2015
1
33
33
64-93
]
[
ONU
2020
]
[
2020
1
11
11
386 - 400
]
[
2021
]
[
2017
1
22
22
7-26
]
[
UNESCO
2015
]
[
2021
]
[
2018
1
28
28
]