1134-8046
1134-8046
S1134-80462020000100014
10.20986/resed.2020.3769/2019
Chile
Chile
Chile
Colombia
00
02
2020
00
02
2020
27
1
66
66
[
2016
23
1
1
41-2
]
[
2016
23
6
6
326-7
]
[
2016
23
6
6
327-8
]
[
2017
24
4
4
216-7
]
[
2017
24
4
4
217-8
]
[
2017
24
4
4
218-9
]
[
2018
25
2
2
136-7
]
[
2018
25
3
3
190
]
[
2018
25
4
4
247
]
[
2015
157-79
]