1659-1321
1659-1321
S1659-13212018000300585
10.15517/ma.v29i3.311742
Costa Rica
Estados Unidos
00
12
2018
00
12
2018
29
3
585
595
[
1995
102
249-56
]
[
1982
66
561-3
]
[
2005
]
[
1993
27
27-35
]
[
2014
98
699
]
[
1993
18
223-32
]
[
2014
]
[
1992
76
220-5
]
[
2015
]
[
1996
17-28
]
[
2006
25
574-84
]
[
2011
56
1-19
]
[
1988
17
195-202
]
[
1986
17-26
]
[
2014
29-44
]
[
2017
51
1
1
76-91
]
[
2001
20
801-12
]
[
1991
36
119-38
]
[
2000
55
49-55
]
[
2010
6
]
[
2009
102
670-6
]
[
2005
217-21
]
[
1993
30
21-3
]
[
1996
1-16
]
[
SAS Institute
1985
6 ed
]
[
2004
50
281-4
]
[
1996
153-65
]
[
2006
51
285-308
]
[
2000
93
726-31
]
[
2000
83
145-58
]
[
1996
25
810-6
]
[
1990
47-89
]