1409-4258
1409-4258
S1409-42582019000200242
10.15359/ree.23-2.13
Costa Rica
00
08
2019
00
08
2019
23
2
242
266
[
2011
6
8
8
13-33
]
[
2013
8
11
11
43-59
]
[
2007
13-27
]
[
2016
]
[
2003
17
1
1
53-7
]
[
2005
5
9
9
29-37
]
[
2017
17
1
1
1-45
]
[
2014
]
[
2006
]
[
2013
]
[
2015
]
[
2015
29
2
2
46-61
]
[
2012
9
1
1
130-49
]
[
1990
]
[
2015
]
[
2003
20
1
1
183-98
]
[
2016
11
15
15
333-46
]
[
2013
7269-76
]
[
2014
18
2
2
39-70
]
[
2015
15
1
1
1-71
]
[
2016
]
[
2017
a
Costa Rica
]
[
2017
b
1-15
]
[
2017
c
]
[
2014
14
1
1
1-16
]
[
Wolfram reinvents Mathematica
2007
49
5
5
10-7
]
[
Wolfram
2018
]