1817-5996
1817-5996
S1817-59962019000400015
Ecuador
Ecuador
00
00
2019
00
00
2019
21
[
2003
74
1
1
9-33
]
[
2014
16
^s1
^s1
1
400-3
]
[
2014
15
2
2
]
[
2015
82
1
1
e60-3
]
[
2017
33
2
2
241-5
]
[
2014
1-10
]
[
1993
69
72-5
]
[
2013
17
3
3
301-11
]
[
2014
13
2
2
85-9
]
[
2017
19
2
2
]
[
2017
19
3
3
]
[
2015
17
2
2
]
[
2016
20
2
2
]
[
2015
17
2^s1
2^s1
1
]
[
2014
16
2
2
]
[
2014
16
3
3
]
[
2016
18
1
1
]
[
2018
20
xx
xx
]
[
2018
20
xx
xx
]
[
2014
17
1
1
]
[
2015
17
2
2
]