0121-246X
0121-246X
S0121-246X2019000100248
10.17533/udea.rfo.v30n2a10
Colombia
Colombia
00
06
2019
00
06
2019
30
2
248
262
[
2013
42
2
2
179-88
]
[
2008
42
6
6
409-18
]
[
2014
63
2
2
127-35
]
[
2013
31
4
4
221-4
]
[
2010
24
2
2
135-41
]
[
2012
54
4
4
343-7
]
[
2008
20
1
1
13-6
]
[
2014
2
9
9
1677-87
]
[
2004
32
^s1
^s1
1
9-18
]
[
2014
28
1
1
1-7
]
[
2017
151
1
1
167-73
]
[
2016
40
5
5
404-9
]
[
2008
33
5
5
550-5
]
[
2016
2016
8357621
]
[
2010
13
4
4
218-24
]
[
2013
32
4
4
648-65
]
[
2010
38
2
2
96-105
]
[
1997
76
9
9
1587-95
]
[
2015
49
1
1
56-62
]
[
2012
46
3
3
234-67
]
[
2012
24
2
2
41-7
]
[
2011
39
7
7
518-25
]
[
2014
38
4
4
318-25
]
[
2007
13
8
8
793-800
]
[
2009
12
1
1
22-5
]
[
2009
37
3
3
228-32
]
[
2011
139
6
6
e543-51
]
[
2010
13
1
1
42-6
]
[
2014
42
12
12
1592-602
]
[
2016
10
6
6
39-42
]
[
2015
39
2
2
149-60
]
[
2010
55
7
7
541-4
]
[
2014
17
1
1
49-52
]
[
2011
22
1
1
77-82
]
[
2013
16
2
2
116-20
]
[
2013
16
2
2
152-6
]
[
2014
59
1
1
100-5
]
[
2014
42
11
11
1502-7
]
[
2013
41
9
9
818-25
]
[
1986
12
10
10
453-7
]
[
2012
25
4
4
210-4
]
[
2008
36
8
8
565-78
]
[
2015
28
3
3
128-32
]
[
2008
36
4
4
272-80
]
[
2009
37
7
7
522-6
]
[
2011
24
2
2
119-23
]
[
2016
11
9
9
]
[
2009
25
5
5
11-2
]
[
2001
28
8
8
380-7
]
[
2016
14
3
3
197-205
]
[
2015
24
3
3
231-7
]
[
2007
5
3
3
229-33
]
[
2013
35
5
5
664-8
]
[
2011
140
1
1
e17-24
]
[
2011
15
3
3
369-73
]
[
2016
7
2
2
]
[
2012
213
7
7
353-7
]
[
2010
18
8
8
1007-21
]
[
2015
19
9
9
2153-65
]
[
2016
32
105-10
]
[
2015
19
5
5
1005-11
]
[
2015
13
5
5
11-27
]
[
2013
14
3
3
136-45
]
[
2014
17
1
1
43-7
]
[
2012
15
4
4
315-8
]
[
2013
40
8
8
644-53
]
[
2016
19
3
3
207-11
]
[
2014
39
3
3
239-47
]
[
2015
13
4
4
308-14
]
[
2010
208
12
12
571-7
]
[
2007
32
6
6
549-55
]
[
2012
75
8
8
1019-25
]
[
2011
36
5
5
521-8
]
[
2008
53
2
2
128-32
]
[
2016
11
1
1
]
[
2016
147
3
3
177-85
]
[
2011
27
3
3
235-43
]
[
2003
82
11
11
914-8
]
[
2011
27
4
4
329-38
]
[
2014
8
3
3
141-7
]
[
2014
14
28
]
[
2014
15
1
1
28
]
[
2013
43
1
1
23-8
]
[
2014
42
9
9
1115-23
]
[
2015
12
2
2
167-72
]
[
2013
71
1
1
271-7
]
[
2013
101
1
1
52-9
]
[
2014
54
93-9
]