1659-4266
1659-4266
S1659-42662018000200247
10.22458/urj.v10i2.2156
Costa Rica
Costa Rica
00
12
2018
00
12
2018
10
2
247
256
[
2008
]
[
34-42
]
[
2009
]
[
2014
]
[
2017
5
5
5
1-23
]
[
2017
4
7
7
]
[
2016
7
1
1
100-26
]
[
2017
1
791-9
]
[
2017
5
1
1
1-16
]
[
2017
2
6
6
100-11
]
[
]
[
2017
5
1
1
159-74
]