0123-5923
0123-5923
S0123-59232017000100052
10.1016/j.estger.2017.02.003
Colombia
Colombia
Colombia
00
03
2017
00
03
2017
33
142
52
63
[
2007
7
2
2
342
]
[
2014
12
1
1
15-32
]
[
2008
36
2
2
906-37
]
[
2010
98
1
1
113-44
]
[
2001
]
[
2007
151
1
1
193-222
]
[
2002
57
3
3
1093-111
]
[
2003
]
[
2015
46
1
1
65-82
]
[
2010
]
[
2009
12
3
3
33-64
]
[
2011
164
1
1
4-20
]
[
1998
39
4
4
841-62
]
[
2004
2
1
1
84-108
]
[
1985
53
2
2
363-84
]
[
2015
185
1
1
60-81
]
[
2000
55
5
5
1943-78
]
[
2015
27
4
4
557-73
]
[
2007
]
[
2006
130
2
2
337-64
]
[
2006
131
1
1
309-38
]
[
2011
]
[
2013
]
[
2002
57
1
1
405-43
]
[
2013
2
907-67
]
[
1996
6
4
4
379-406
]
[
2005
24
5
5
766-92
]
[
2005
3
1
1
126-68
]
[
2016
]
[
2012
50
2
2
331-67
]
[
2001
]
[
2006
3
]
[
2012
47
1
1
241-72
]
[
1995
3
2
2
73-84
]
[
1991
1
1
1
54-61
]
[
1996
4
]
[
1998
4
3
3
119-24
]
[
1999
1
2
2
37-63
]
[
2015
19
37
37
70-7
]
[
2007
17
1
1
5-15
]
[
2011
29
64
64
110-77
]
[
1987
60
4
4
473-89
]
[
2007
31
10
10
3125-44
]
[
2010
691-766
]
[
2011
30
8
8
339-50
]
[
2012
36
7
7
1928-42
]
[
2012
]
[
2010
15
4
4
477-501
]
[
1994
]
[
2009
22
5
5
2007-57
]
[
1977
5
2
2
177-88
]
[
2016
85
53-90
]
[
2000
24
7
7
1131-54
]