2448-9190
2448-9190
S2448-91902019000200254
10.29262/ram.v66i2.371
Costa Rica
España
00
06
2019
00
06
2019
66
2
254
256
[
2009
43
11
11
1836-47
]
[
2013
43
10
10
1409-10
]
[
2003
31
6
6
345-7
]
[
1987
80
4
4
538-41
]
[
2009
103
6
6
538
]
[
2010
23
4
4
367-70
]
[
2000
320
5
5
331-3
]
[
2016
]
[
2016
22
6773-83
]
[
2017
64
4
4
505-8
]