0121-246X
0121-246X
S0121-246X2018000200105
10.17533/udea.rfo.v30n1a10
Colombia
Venezuela
Venezuela
00
12
2018
00
12
2018
30
1
105
120
[
2016
53
2
2
98-110
]
[
2016
95
13
13
1457-63
]
[
2007
2
17
]
[
1988
17
9-10
9-10
547-53
]
[
2012
212
8
8
377-9
]
[
2015
94
3
3
412-20
]
[
2011
119
^s1
^s1
1
311-23
]
[
1991
10
4
4
971-5
]
[
1992
50
2
2
303-16
]
[
2002
47
4
4
261-5
]
[
2014
23
9
9
2468-80
]
[
2016
95
4
4
423-9
]
[
1997
41
1
1
115-8
]
[
2004
167
5
5
973-83
]
[
2011
31
4
4
783-92
]
[
2010
316
7
7
1202-12
]
[
2014
23
20
20
5317-24
]
[
2011
119
^s1
^s1
1
270-9
]
[
2008
283
16
16
10858-71
]
[
2003
14
6
6
387-98
]
[
2015
10
3
3
]
[
2014
93
10
10
988-92
]
[
2013
92
10
10
899-904
]
[
2015
87
1
1
90-2
]
[
2014
22
1
1
132-5
]
[
2016
124
4
4
403-5
]
[
2016
25
1
1
94-9
]
[
2012
6
6
695-6
]
[
2016
99
5
5
1199-205
]
[
2016
364
1
1
95-103
]
[
2017
25
8
8
1015-9
]
[
2008
82
2
2
489-94
]
[
2008
29
8
8
E95-9
]
[
2017
7
1
1
6075
]
[
2016
170A
1
1
273-6
]
[
2011
90
3
3
377-81
]
[
2016
6
26557
]
[
2012
91
3
3
565-71
]
[
2000
275
49
49
38571-80
]
[
2013
92
2
2
307-12
]
[
2012
196
6
6
501-9
]
[
2012
227
5
5
2264-75
]
[
2014
93
^s7
^s7
7
94S-100S
]
[
2015
119
2
2
e77-81
]
[
2007
39
12
12
1443-52
]
[
1993
41
10
10
1521-7
]
[
2014
23
8
8
2157-63
]
[
2014
23
8
8
2189-97
]
[
2016
24
8
8
1223-7
]
[
2015
94
5
5
642-4
]
[
2014
358
3
3
843-55
]
[
2006
399
1
1
37-46
]
[
2016
25
16
16
3578-87
]
[
2016
75
260-70
]
[
2016
95
13
13
1511-7
]
[
2016
124
3
3
221-7
]
[
2017
8
398
]
[
2017
8
229
]
[
2013
92
3
3
266-71
]
[
2013
58
11
11
1569-77
]
[
2013
2013
684607
]
[
2017
8
333
]
[
2014
38
48-58
]
[
2009
85
5
5
699-705
]
[
2009
360
19
19
1971-80
]
[
2003
425
6953
6953
93-8
]
[
2016
99
4
4
984-90
]
[
2015
10
3
3
]