2218-3620
2218-3620
S2218-36202021000400267
Ecuador
00
08
2021
00
08
2021
13
4
267
276
[
2015
]
[
2016
16
51
51
59-84
]
[
2015
V
Tercera ed.
]
[
2019
III
Primera
]
[
2015
]
[
2021
16
33
33
36-60
]
[
2017
6
15
15
1-23
]
[
2019
10
1
1
38-49
]
[
2017
2
7
7
37-45
]
[
2011
]
[
2018
III
Primera
]
[
2016
I
7
7
60-3
]
[
2017
3
5
5
82-90
]
[
2019
II
Tercera
]
[
2019
61
3
3
279-98
]
[
2014
15
15
4-18
]