2528-7907
2528-7907
S2528-79072020000100119
10.36097/rsan.v1i38.1197
Ecuador
Ecuador
Ecuador
Ecuador
00
03
2020
00
03
2020
38
119
133
[
2016
80
59-72
]
[
2014
Segunda ed.
]
[
2018
8(17
74-85
]
[
2012
]
[
2012
Quinta ed
]
[
2011
2(2)
37-45
]
[
2018
]
[
2010
]
[
2018
7(2
39-56
]
[
2016
]
[
2019
]
[
2015
10(20)
59-69
]
[
2011
67
47-67
]
[
2017
]
[
2015
]
[
2018
39(27
9
]