0034-7426
0034-7426
S0034-74262020000100075
10.15446/recolma.v54n1.89791
Venezuela
Ecuador
00
06
2020
00
06
2020
54
1
75
91
[
1993
117
199-204
]
[
1999
127
2905-10
]
[
1998
219
179-99
]
[
1931
]
[
1987
13
337-52
]
[
2007
8
680-7
]
[
2012
13
2214-26
]
[
1984
44
1112-32
]
[
2012
75
758-68
]
[
2015
2663-90
]
[
2006
7
1042-7
]
[
1996
130
59-91
]
[
1999
229
295-318
]
[
1992
]
[
1993
]
[
1998
50
71-89
]
[
1995
38
733-53
]
[
2013
]
[
2009
10
2508-20
]
[
2009
10
1803-15
]
[
2005
62
545-57
]
[
2000
114
175-85
]
[
1993
2
449-57
]
[
2005
5
57-71
]
[
1931
]
[
1992
21
224-50
]
[
1995
123
87-96
]
[
2009
22
766-70
]
[
2004
663-75
]