0034-7744
0034-7744
S0034-77442019000200083
10.15517/rbt.v67i2supl.37208
Costa Rica
Mexico
Costa Rica
México
00
04
2019
00
04
2019
67
2
83
94
[
2011
19
3
3
137-47
]
[
2011
178-92
]
[
1996
93
1-2
1-2
142-50
]
[
2009
27
1086-8
]
[
2013
166
1
1
42-50
]
[
2002
42
4
4
1298
]
[
2009
96
1
1
11-8
]
[
2007
20
6
6
717-26
]
[
2016
52
5
5
500-11
]
[
2015
195
^sC
^sC
C
89-100
]
[
2006
170
4
4
822-7
]
[
2013
47
4
4
]
[
2006
171
5
5
565-71
]
[
1993
12
2
2
74-9
]
[
2008
113-43
]
[
IBM Corp.
2015
]
[
1987
6
13
13
3901-7
]
[
2005
16
3
3
189
]
[
2007
226
6
6
1411-21
]
[
2013
7
1
1
59-70
]
[
1962
15
3
3
473-97
]
[
2010
102
3
3
381-6
]
[
2008
3
3
3
410
]
[
1993
12
3
3
165-9
]
[
2009
84
6
6
665-71
]
[
2010
13
4
4
2-3
]
[
2009
96
3
3
279-87
]
[
2015
6
2672-85
]
[
2004
99
3
3
371-8
]
[
1994
6
2
2
251-64
]
[
2005
110
5
5
914-24
]
[
2003
216
4
4
580-6
]
[
1997
122
3
3
300-5
]