2393-6606
2393-6606
S2393-66062020000200149
10.22235/ech.v9i2.1968
Mexico
Chile
00
12
2020
00
12
2020
9
2
149
159
[
2011
11-22
]
[
2016
71-7
]
[
]
[
2011
]
[
]
[
2011
]
[
2000
34-49
]
[
2018
]
[
2019
1-8
]
[
2011
69-82
]
[
2004
]
[
2013
28
1
1
137-52
]
[
2018
12
6
6
1985-93
]
[
2018
2635-42
]
[
2018
2461-8
]
[
2018
39
1
1
48-53
]
[
L.Soares.S
2015
3839-51
]