0188-4999
0188-4999
S0188-49992019000200459
10.20937/rica.2019.35.02.16
Ecuador
00
00
2019
00
00
2019
35
2
459
467
[
2002
15
9
9
695-9
]
[
2003
21
6
6
501-11
]
[
2003
25
6
6
445-50
]
[
1999
53
1
1
51-9
]
[
2010
48
7
7
709-17
]
[
2015
97
10
10
1289-95
]
[
2006
79
3
3
198-208
]
[
2007
33
7
7
974-84
]
[
2007
66
5
5
816-23
]
[
2004
183
21-54
]
[
2001
62
1-4
1-4
279-92
]
[
1985
19
9
9
804-9
]
[
1987
80
905
905
108-14
]
[
2006
14
12-13
12-13
1158-67
]
[
2005
39
8
8
1652-62
]
[
2013
50-51
1
1
13-29
]
[
2015
22
14
14
10434-43
]
[
2016
571
1
1
711-20
]
[
2014
36
2
2
196-205
]
[
2004
79
2
2
117-25
]
[
2007
32
1-2
1-2
42-56
]
[
2004
4
1
1
62-74
]
[
1993
78
1
1
65-71
]
[
2014
44
23
23
2577-641
]
[
2008
152
2
2
846-52
]
[
2005
39
14
14
3189-98
]
[
2011
18
1
1
3-24
]
[
1995
8
3
3
273-81
]
[
2015
74
1
1
182-5
]
[
2014
64
1
1
535-44
]
[
2003
37
7
7
1443-67
]
[
2012
320
]
[
2011
24
8
8
788-93
]
[
2010
23
1
1
32-9
]
[
1997
70
1
1
21-8
]