1390-860X
1390-860X
S1390-860X2020000200059
10.17163/ings.n24.2020.06
Ecuador
Ecuador
00
12
2020
00
12
2020
24
59
67
[
2017
34
157-64
]
[
2008
2005-8
]
[
2007
]
[
2018
22
3
3
722-32
]
[
2019
93-7
]
[
2011
96
e53-61
]
[
2015
356-61
]
[
2018
346-50
]
[
2008
517-20
]
[
2016
200-3
]
[
2008
609-12
]
[
1991
252
5004
5004
437-40
]
[
2011
33
6
6
700-11
]
[
2008
]
[
2008
505-8
]