2218-3620
2218-3620
S2218-36202020000100280
Ecuador
Ecuador
00
02
2020
00
02
2020
12
1
280
291
[
2009
50
12
12
3147-57
]
[
2009
28
386-96
]
[
2014
2
8
8
28-32
]
[
2019
]
[
2019
]
[
2014
]
[
2019
6
2
2
15-26
]
[
2017
9
1
1
100-5
]
[
2005
22
4
4
416-28
]
[
2019
]
[
2015
]
[
2010
105
1
1
47-82
]
[
2012
94
138-45
]
[
2019
]
[
2018
]
[
2014
]