0120-5307
0120-5307
S0120-53072019000300001
10.17533/udea.iee.v37n3e01
Chile
00
09
2019
00
09
2019
37
3
[
2019
25
2
2
179-87.
]
[
2018
610-611
802-9.
]
[
2015
136
120-32.
]
[
2017
55
186-95.
]
[
2019
16
6
6
960
]
[
2018
624
586-95.
]
[
2016
15
1
1
64
]
[
2012
8
2
2
98-106.
]
[
2017
51
12
12
6674-82.
]
[
2018
619-620
376-83.
]
[
BBC News Mundo.
2019
]
[
2016
51
4
4
625-45.
]