0121-246X
0121-246X
S0121-246X2017000100292
10.17533/udea.rfo.v28n2a4
Colombia
Colombia
Colombia
00
06
2017
00
06
2017
28
2
292
310
[
2000
13
4
4
547-58
]
[
2013
10
5
5
585-91
]
[
2004
197
4
4
181-3
]
[
2006
]
[
2014
4
3
3
159-63
]
[
2009
17
6
6
565-9
]
[
2007
81
4
4
]
[
2011
15
1
1
45-51
]
[
2006
64
5
5
274-80
]
[
2010
4
1
1
5-8
]
[
2006
13
80-6
]
[
2014
4
1
1
18-22
]
[
2009
54
^s1
^s1
1
S70-85
]
[
2014
6
45-56
]
[
2002
5
63-93
]
[
2002
1
40-53
]
[
1988
14
7
7
363-71
]
[
2008
10
1
1
4-9
]
[
2001
34
6
6
429-34
]
[
2007
33
7
7
815-8
]
[
2011
3
7
7
4-8
]
[
2002
13
3
3
155-61
]
[
2000
26
10
10
593-5
]
[
2015
41
8
8
1207-13
]
[
1983
9
9
9
372-4
]
[
2003
18
2
2
121-6
]
[
1994
20
12
12
607-9
]
[
2013
25
1
1
107-11
]
[
2010
36
4
4
626-9
]
[
2004
97
5
5
632-41
]
[
2014
14
1
1
222
]
[
1998
36
4
4
990-4
]
[
2016
58
105-11
]
[
1994
32
8
8
1923-9
]
[
2010
41
1-9
]
[
2001
16
2
2
100-5
]
[
2003
18
2
2
100-3
]
[
2008
6
]
[
2006
14-7
]
[
2014
]
[
2001
]
[
2009
1
281-319
]
[
2010
8
1
1
15-25
]
[
2008
190
7
7
2275-8
]
[
1957
18
493-4
]
[
2010
59
8
8
873-80
]
[
2015
83
2
2
165-9
]
[
2015
71
3
3
385-94
]
[
2012
36
2
2
288-305
]
[
2007
20
1
1
133-63
]
[
2009
8
4
4
550-9
]
[
2012
136
4
4
671-3
]
[
2007
50
1
1
7-15
]
[
2015
5
2
2
59-68
]
[
2002
33
2
2
157-62
]
[
2006
56
3
3
337-9
]