1409-2433
1409-2433
S1409-24332019000100045
10.15517/rmta.v26i1.35518
Venezuela
Ecuador
Ecuador
00
06
2019
00
06
2019
26
1
45
81
[
1973
81
3
3
637-54
]
[
2003
44
2
2
361-422
]
[
2002
108
2
2
281-316
]
[
1973
41
1
1
135-55
]
[
1994
64
375-400
]
[
1993
8
1
1
153-73
]
[
2003
415-46
]
[
2001
3-14
]
[
2011
656-704
]
[
1991
199-240
]
[
1996
119-91
]
[
1993
140
2
2
107-13
]
[
1994
61
2
2
247-64
]
[
1983
31
6
6
1109-44
]
[
1987
42
2
2
281-300
]
[
1998
29
1
1
5-28
]
[
1994
12
4
4
371-89
]
[
1998
65
3
3
361-93
]
[
1976
31
2
2
369-81
]
[
2001
]
[
1998
93
443
443
1032-44
]
[
2007
140
2
2
425-49
]
[
1999
94
446
446
590-9
]
[
1997
84
3
3
653-67
]
[
2005
]
[
1983
51
2
2
485-505
]
[
1986
]
[
1999
14
2
2
101-21
]
[
2005
127
2
2
165-78
]