1996-2452
1996-2452
S1996-24522021000100201
Ecuador
00
04
2021
00
04
2021
16
1
201
212
[
2017
7
1
1
305-14
]
[
2016
]
[
2009
]
[
2004
]
[
2017
13
2
2
253-8
]
[
2017
]
[
2002
]
[
2018
2-76
]
[
2019
24
251
251
42-61
]
[
2019
24
258
258
30-40
]
[
2016
12
6
6
548
]
[
2019
7
7
7
178
]
[
2012
36
77
77
63-81
]
[
2015
]
[
2014
19
199
199
1-9
]
[
2019
38
2
2
226-37
]
[
2002
]
[
2011
21
2
2
121-42
]
[
2016
]
[
2019
38
2
2
183-95
]