2550-6722
2550-6722
S2550-67222022000300080
10.37135/chk.002.18.05
Ecuador
00
12
2022
00
12
2022
18
80
90
[
2016
27
80
80
111-37
]
[
2003
]
[
2016
]
[
1994
]
[
1982
]
[
1983
]
[
2020
38
45
45
1
]
[
2019
10
33
33
273
]
[
2005
]
[
1980
]
[
2010
5
10
10
4
]
[
1998
]
[
2016
3
4
4
15
]
[
1992
]
[
2020
38
44
44
1-27
]
[
2016
27
18
18
233-9
]
[
1973
]
[
1997
]
[
2002
]
[
2016
15
53
53
127
]
[
1969
]
[
1879
]
[
2011
]