0124-8693
0124-8693
S0124-86932019000200022
10.22267/rtend.192002.119
Venezuela
Ecuador
Ecuador
Ecuador
00
12
2019
00
12
2019
20
2
22
48
[
2011
3
1
1
77-88
]
[
2016
1-6
]
[
2017
14
44-60
]
[
1989
79
5
5
1146-64
]
[
2013
6th
]
[
2016
1
33-43
]
[
2018
19
2
2
45-73
]
[
2010
]
[
2013
95
2
2
530-48
]
[
2003
7
4
4
2-7
]
[
2012
7th
]
[
1991
27
409-16
]
[
2013
45
191-9
]
[
2011
104
199-215
]
[
2018
3
1
1
32-43
]
[
2016
4
2
2
175-92
]
[
1997
4th
]
[
2011
7
2
2
228-31
]
[
2018
1-22
]
[
2012
42
2
2
135-52
]
[
2018
24
50
50
113-40
]
[
2015
23
23
]
[
2017
14
1
1
24-58
]
[
2017
20
42
42
17-46
]
[
1999
8
293-304
]
[
1962
190
1-7
]
[
2010
48-9
]
[
2018
25
4
4
117-30
]
[
2011
1-84
]
[
2018
18
05
05
]
[
1999
]
[
2001
16
289-326
]
[
2017
83292
83292
]
[
2017
1-123
]
[
2015
19
69-81
]
[
2011
12
99-113
]
[
1995
10
433-45
]
[
2012
15
15
]