1409-4703
1409-4703
S1409-47032018000300088
10.15517/aie.v18i3.34330
Costa Rica
Costa Rica
Costa Rica
Costa Rica
Costa Rica
00
12
2018
00
12
2018
18
3
88
115
[
2012
2
2
2
998-1004
]
[
2015
192
1
1
252-9
]
[
2002
6
3
3
1-12
]
[
1996
34
2
2
95-118
]
[
1991
]
[
2002
167-74
]
[
2003
87
2
2
242-60
]
[
2007
40
2
2
288-310
]
[
1975
59
1/2
1/2
15-8
]
[
1992
65
5
5
708-18
]
[
2013
6
6
6
113
]
[
1982
]
[
2015
5
1
1
18-30
]
[
Ministerio de Educación Publica
2016
]
[
2009
1
4
4
57-71
]
[
2004
155-75
]
[
2014
2
3
3
1-5
]
[
1993
13
1
1
206-26
]
[
2015
17
2
2
260-75
]
[
1989
73
4
4
395-403
]
[
1981
2
2
2
159-68
]
[
1999
]
[
2006
5
1
1
122-41
]