1870-199X
1870-199X
S1870-199X2021000400296
10.22201/fo.1870199xp.2021.25.4.84027
Ecuador
00
12
2021
00
12
2021
25
4
296
305
[
2009
13
3
3
136-40
]
[
2016
73
3
3
127-32
]
[
2014
5
2
2
35-43
]
[
2018
15
2
2
85-93
]
[
2014
48
2
2
123-31
]
[
2013
51
2
2
]
[
2016
3
2
2
63-72
]
[
2017
4
1
1
15-21
]
[
2010
11
33
33
573-6
]