0121-5051
0121-5051
S0121-50512017000400041
10.15446/innovar.v27n66.66710.
Colombia
Colombia
Spain
Colombia
Colombia
00
12
2017
00
12
2017
27
66
41
55
[
2014
56
6
6
568-85
]
[
2015
84
6
6
444-53
]
[
2007
45
12
12
2697-734
]
[
1990
4
112-9
]
[
2003
40
7
7
677-90
]
[
2009
45
11
11
1233-51
]
[
2006
5524-39
]
[
2010
1-9
]
[
2010
1-17
]
[
1992
8
5
5
365-86
]
[
1999
45
7
7
1008-24
]
[
1993
35
12
12
66-77
]
[
1998
41
12
12
49-55
]
[
1974
3
57-67
]
[
2012
203-16
]
[
1992
3
1
1
60-95
]
[
2003
19
4
4
8-30
]
[
2014
32
6
6
1042-55
]
[
2008
9
7
7
1-32
]
[
2007
17
1
1
25-44
]
[
2006
15
3
3
249-70
]
[
1981
a
5
3
3
55-69
]
[
1981
b
5
4
4
79-86
]
[
2005
30
2
2
427-64
]
[
2014
2014
1-10
]
[
2000
17
3
3
161-73
]
[
1999
16
6
6
495-518
]
[
2015
16
2
2
153-72
]
[
1989
Boston, Massachusetts
]
[
2014
34
4
4
556-60
]
[
2009
33
3
3
]
[
2007
45
4
4
1051
]
[
1999
12
1
1
21-43
]
[
2001
39
3
3
191-210
]
[
2009
295-304
]
[
2003
40
191-204
]
[
2011
20
4
4
419-37
]
[
1999
35
1
1
43-51
]
[
2009
23
2009
1-4
]
[
1975
21
8
8
908-19
]
[
1993
10
1
1
97-122
]
[
2014
46
1
1
77-90
]
[
2009
2009
65-8
]
[
2004
28
2
2
283-322
]
[
1998
29
4
4
803-38
]
[
1996
27
2
2
17-27
]
[
1997
32
5
5
229-44
]
[
2007
6
1
1
1-11
]
[
2013
56
4
4
1125-47
]
[
2013
21
3
3
1-20
]
[
2005
42
2
2
317-27
]
[
2008
45
6
6
376-86
]
[
2002
12
4
4
271-99
]
[
1995
]
[
1987
]
[
2003
41
2
2
149
]
[
1998
9
1
1
85-98
]
[
2017
44
3
3
]
[
1999
27
3
3
327-39
]
[
2010
27
1
1
25-41
]
[
2003
27
3
3
425-78
]
[
1997
73
191-213
]
[
2009
48
1
1
202-11
]
[
1989
13
1
1
3
]
[
2014
1-12
]
[
2012
22
182-91
]
[
2006
132
10
10
1114-21
]