0121-0807
0121-0807
S0121-08072020000400450
10.18273/revsal.v52n4-2020012
Colombia
Colombia
Colombia
00
12
2020
00
12
2020
52
4
450
454
[
1942
44
6
6
1004
]
[
2009
38
6
6
671
]
[
1977
39
5
5
2231-9
]
[
2013
15
111
]
[
2009
972
]
[
2017
13
4
4
2290-6
]
[
1995
164
573-80
]
[
2019
1-9
]
[
2016
9
4
4
435-44
]
[
2005
23
27
27
6756-62
]
[
2004
70
1187-8
]
[
2004
232
2
2
522-6
]
[
2011
44
2
2
1-11
]
[
2008
19
1
1
41-7
]
[
2012
21
2
2
187-91
]
[
2007
127
105-14
]
[
2004
33
6
6
330-6
]
[
2015
101
1
1
119-27
]
[
2012
1
10
10
272-80
]