0121-3628
0121-3628
S0121-36282020000200057
10.17533/udea.ef.n62a04
Colombia
00
12
2020
00
12
2020
62
57
74
[
1867
]
[
1909
]
[
1923
]
[
1964
]
[
1965
]
[
1968
a
]
[
1968
b
]
[
1969
]
[
1980
]
[
1985
a
]
[
1985
b
]
[
1992
12
9-13
]
[
2004
]
[
2005
]
[
2007
]
[
2019
]
[
2018
a
325
31-44
]
[
2018
b
23
23-39
]
[
2016
37
135
135
351-69
]
[
1995
]
[
1961
]
[
2007
]
[
1984
]
[
1981
]
[
2003
]
[
1990
196-204
]
[
2009
]
[
2013
]
[
2014
]
[
2005
4
43-77
]
[
1984
]
[
2007
]
[
2010
37
1
1
219-36
]
[
2015
277-91
]
[
2017
30
1
1
162-74
]
[
1985
34
78-124
]
[
1970
50
2
2
137-54
]
[
2008
4
]
[
1991
]