1405-7743
1405-7743
S1405-77432019000400012
10.22201/fi.25940732e.2019.20n4.048
Ecuador
Ecuador
Ecuador
Ecuador
Ecuador
00
12
2019
00
12
2019
20
4
[
1981
64
9
9
533-8
]
[
1999
161-163
203-8
]
[
2001
36
20
20
4851-62
]
[
1999
2
3
3
165-72
]
[
2005
23
4
4
391-7
]
[
2004
20
7
7
877-84
]
[
1964
282
1391
1391
508-20
]
[
1994
29
8
8
2192-204
]
[
2003
29
7
7
757-64
]
[
1976
59
7-8
7-8
371-2
]
[
1999
19
8
8
1585-92
]
[
2002
37
4
4
865-9
]
[
1994
77
5
5
1185-93
]
[
1989
5
5
5
311-9
]
[
1980
63
9-10
9-10
574-81
]
[
2013
]
[
1999
225-229
1327-37
]
[
2001
27
6
6
621-8
]
[
2002
223
27-38
]
[
2018
]
[
2008
807-16
]
[
1995
28
6
6
403-13
]
[
2001
]
[
2010
36
1
1
173-9
]
[
1982
1
1
1
13-6
]
[
2013
9
9
]
[
1992
17
7
7
28-33
]
[
1989
5
9
9
865-72
]
[
2012
]
[
2000
83
2
2
245-65
]
[
2002
]
[
1986
69
2
2
88-93
]
[
1985
20
5
5
1873-82
]
[
1995
78
10
10
2705-8
]
[
2012
]
[
2002
85
6
6
1512-6
]
[
2000
83
8
8
2094-6
]
[
2001
84
2
2
406-12
]
[
2006
203-11
]
[
1994
77
4
4
883-90
]