1659-4266
1659-4266
S1659-42662017000200218
10.22458/urj.v9i2.1897
Costa Rica
00
12
2017
00
12
2017
9
2
218
225
[
1999
]
[
2012
16
1
1
50-9
]
[
2015
]
[
2017
71
3
3
]
[
s.f.
Venezuela
]
[
2016
50
243-8
]
[
2013
]
[
2013
15
2
2
131-47
]
[
2008
42
271-83
]
[
2016
15
4
4
109-19
]
[
2016
]
[
2016
9
17
17
]
[
2016
]
[
2012
]
[
2012
2da Edición
]
[
2011
13
1
1
]
[
2017
933-45
]