0120-548X
0120-548X
S0120-548X2020000100022
10.15446/abc.v25n1.75728
Ecuador
Venezuela
Venezuela
00
04
2020
00
04
2020
25
1
22
28
[
2007
4.1
]
[
2002
79
2
2
183-91
]
[
2012
17
4
4
3989-4006
]
[
2016
260
2
2
116-30
]
[
2016
285-93
]
[
2017
4
2
2
1-9
]
[
2007
55
15
15
6300-8
]
[
1990
503
1-24
]
[
2009
6
9
9
1427-34
]
[
1990
21
3-4
3-4
97-8
]
[
1988
118
8
8
565-8
]
[
2008
106-8
]
[
2018
51
2
2
75-83
]
[
2006
108
1
1
1-9
]
[
2010
1
4
4
715-20
]
[
2013
4
2
2
86-9
]
[
2002
97
7
7
1027-31
]
[
2013
62
12
12
973-80
]
[
2007
62
7-8
7-8
507-13
]
[
2006
462
]
[
1988
3
2
2
79-84
]
[
2002
57
3-4
3-4
287-90
]
[
2011
82
2
2
225-9
]
[
2007
662
]
[
2005
13
4
4
440-2
]
[
2010
2
3
3
B54-63
]
[
1994
269
11
11
8022-8
]
[
1995
59
2
2
201-22
]
[
2013
23
2
2
91-116
]
[
2010
15
11
11
7532-46
]
[
2016
2016
3012462
3012462
1-21
]
[
2006
122
2
2
101-13
]
[
1985
379
]
[
2005
25
39
39
8924-37
]