1409-4703
1409-4703
S1409-47032019000100786
10.15517/aie.v19i1.35569
Puerto Rico
00
04
2019
00
04
2019
19
1
786
812
[
1994
]
[
2016
9-24
]
[
2007
]
[
1990
31-58
]
[
1971
I
]
[
2018
17
1
1
1-25
]
[
1962
]
[
1987
1-16
]
[
1995
]
[
2015
]
[
2003
]
[
1996
]
[
2011
]
[
2001
]
[
2012
]
[
2007
]
[
2013
]
[
2016
]
[
2014
a
20
1
1
31-48
]
[
2014
b
20
1
1
70-81
]
[
2018
]
[
1971
]
[
1972
]
[
1991
]
[
1987
]
[
2017
]
[
1993
23
3/4
3/4
439-58
]
[
2011
]
[
2008
2nd
]
[
2011
]
[
2000
]
[
2003
]
[
2016
172-200
]
[
2006
]
[
2012
]
[
2001
]
[
1961
]
[
1976
]
[
1982
]
[
1983
]
[
1986
22
22
219-31
]
[
2014
12
6
6
]
[
2016
]
[
1990
. 31-58
]
[
2014
]
[
1991
133-50
]
[
2004
13
2
2
17-28
]
[
1994
]
[
2006
]
[
2007
]
[
2005
]
[
2011
]
[
2012
18
1
1
77-87
]
[
2015
6
6
]
[
2000
178-92
]
[
2010
43
1
1
13-34
]
[
2013
1
2
2
105-29
]
[
2015
26
1
1
10-24
]
[
2018
18
2
2
1-21
]
[
1998
4
1
1
9-14
]
[
2009
]
[
2011
]
[
2011
]
[
2013
47
3
3
373-82
]
[
2013
1
2
2
32-40
]
[
1991
]
[
2016
]
[
1991
257-407
]
[
1993
9-348
]
[
1995
]
[
1994
]
[
1989
]
[
2014
]