1409-3871
1409-3871
S1409-38712020000300345
10.15517/lank.v20i3.45095
Ecuador
Ecuador
Ecuador
Ecuador
00
12
2020
00
12
2020
20
3
345
351
[
1877
1
209
]
[
1882
2
295
]
[
1813
5
2nd
211
]
[
1896
3
320-646
]
[
2007
270
]
[
2012
67
487-93
]
[
2013
105
2
2
39
]
[
1950
2
111-5
]
[
2019
406
5
5
259-70
]
[
1986
15
1-81
]
[
2010
120
1-154
]
[
2011
16
2
2
311-60
]
[
2018
6
3
3
1-14.
]
[
2001
88
12
12
2286-308
]
[
2006
4
375-8
]
[
1881
15
266
]
[
2020
71
1-37
]