1665-3521
1665-3521
S1665-35212017000200014
Ecuador
Ecuador
Ecuador
00
06
2017
00
06
2017
30
2
14
20
[
2014
241-70
]
[
1998
17
295
]
[
2009
64
327
]
[
2016
285
134
]
[
2007
181
76
]
[
2015
3
217
]
[
2017
38
7
]
[
2013
22
1242
]
[
2014
258
861
]
[
2012
7
227
]
[
2011
24
121
]
[
2013
2013
1
]
[
2004
19
2708
]
[
2002
9
161
]
[
2013
33
116
]
[
2000
]
[
1999
38
403
]
[
2016
8
1
]
[
2008
]