1409-3871
1409-3871
S1409-38712020000300353
10.15517/lank.v20i3.45130
Ecuador
Perú
Ecuador
Ecuador
00
12
2020
00
12
2020
20
3
353
357
[
1995
201-400
]
[
1993
8
1
1
4-7
]
[
2008
77
12
12
27
]
[
2005
]
[
1835
I
]
[
2010
9
3
3
400
]
[
2014
14
1
1
70
]
[
2003
3
2
2
93-102
]
[
2001
16
2
2
127
]