1409-2433
1409-2433
S1409-24332019000100082
10.15517/rmta.v26i1.35527
Venezuela
Venezuela
Ecuador
Ecuador
00
06
2019
00
06
2019
26
1
82
98
[
2011
43
7
7
1511-22
]
[
2016
]
[
2013
6
4
4
519-32
]
[
2005
3
2
2
137-53
]
[
2013
3-35
]
[
2001
]
[
2010
66
3
3
733-41
]
[
2009
3
1
1
1-28
]
[
2014
8
2
2
321-30
]
[
1983
31
6
6
1109-44
]
[
2016
32
4
4
494-510
]
[
2014
25
3
3
152-64
]
[
2005
32
1
1
85-107
]
[
2016
]
[
2000
]
[
2017
12
2
2
435-63
]