2307-0420
2307-0420
S2307-04202017000300021
10.18004/sopaci.diciembre.21-32
Paraguay
Paraguay
Paraguay
00
12
2017
00
12
2017
41
3
21
32
[
1997
45-50
]
[
1997
51-3
]
[
2006
45
3-4
]
[
1989
18
19
19
980-2
]
[
1990
1
1
60
]
[
2012
36
1
1
21-4
]
[
2002
13
2
2
71-3
]
[
2002
11
1-4
1-4
35-40
]
[
2014
77
3
3
306-11
]
[
2009
56
89
89
26-8
]
[
2015
]
[
2008
12
1257-62
]
[
1996
43
572-4
]
[
2003
80
]
[
2003
Second
]
[
2002
Seven
]
[
1999
231-5
]
[
2009
4
450
450
1-11
]
[
2002
44
3
3
113-6
]
[
2009
48
]
[
2015
13
1
1
16-24
]
[
2007
59
1
1
10-5
]
[
2003
134
549-54
]
[
2010
16
1
1
869-74
]
[
2015
93
3
3
]
[
2006
4
4
]
[
2012
34
3
3
174-8
]
[
2006
04-115
]
[
2010
1
1
34-8
]
[
2011
]
[
2000
166
5
5
394-9
]
[
2016
26
3
3
216-9
]
[
2014
,
27
6
6
685-91
]
[
1994
81
1362-5
]
[
2012
34
3
3
174-8
]