1676-2592
1676-2592
S1676-25922020000400820
10.20396/etd.v22i4.8660138
Colombia
00
10
2020
00
10
2020
22
4
820
836
[
1995
]
[
2005
]
[
2009
]
[
1996
]
[
2010
]
[
1999
3
6
6
5-12
]
[
2007
]
[
1970
]
[
1991
]
[
2003
]
[
1991
295
295
187-206
]
[
2006
]
[
1999
]
[
1994
]
[
1986
]
[
2019
175-96
]
[
2019
]
[
2015
]
[
2018
]
[
2014
]
[
2000
]
[
1991
]
[
2003
]
[
2002
]
[
2003
]
[
1987
]