0041-8633
0041-8633
S0041-86332019000301551
10.22201/iij.24484873e.2019.156.15162
Colombia
Colombia
00
12
2019
00
12
2019
52
156
1551
1573
[
2014
]
[
2011
2
2
2
]
[
2009
163
]
[
2008
2
]
[
2007
8
]
[
2008
]
[
2008
21
]
[
2002
8
2
2
]
[
2006
I
]
[
2015
109
]
[
1999
3
]
[
1989
20
2
2
]
[
2008
]
[
2012
2
3
3
]
[
2006
]
[
2007
34
3
3
]
[
2009
7
1
1
]
[
2005
54
109
109
]
[
2006
55
112
112
]
[
2012
]
[
2015
]
[
2008
]
[
2001
43
]
[
2018
35
]
[
2014
]
[
2017
149
]
[
2014
]