2550-6722
2550-6722
S2550-67222020000200082
10.37135/chk.002.11.06
Ecuador
00
08
2020
00
08
2020
11
82
96
[
1978
8
127-46
]
[
1992
390-4
]
[
1968
209
191-277
]
[
1978
]
[
1964
]
[
2007
]
[
2014
]
[
2005
]
[
1992
385-90
]
[
1992
400-3
]
[
1992
122-42
]
[
1967
56
1
1
7-39
]
[
1977
]
[
2014
312-26
]
[
1609
]
[
1878
]
[
1969
]
[
1956
9
78
78
138-57
]
[
1977
]
[
1992
]
[
2016
]
[
1981
]
[
2006
]
[
1967
6
36-40
]
[
2015
]
[
2017
34
21-31
]
[
2018
37
13-22
]
[
2018
40
54-64
]
[
1996
98
4
4
789-802
]
[
2007
176-200
]
[
1998
5
145-52
]
[
1971
1
227-48
]
[
2003
89
2
2
97-123
]
[
2004
18-85
]
[
1993
27
95-108
]
[
1972
1
62-5
]
[
1927
]
[
2009
]