1816-8949
1816-8949
S1816-89492017000300075
10.18004/anales/2017.050(03)75-082
Paraguay
Paraguay
Paraguay
Paraguay
00
12
2017
00
12
2017
50
3
75
82
[
2011
4ta ed
251-68
]
[
2012
18 ed
1661-4
]
[
2014
34
1
1
120-4
]
[
2012
72
23-7
]
[
2015
-0
9-
91
2
2
00
]
[
2010
61
4
4
301-5
]
[
1999
8 ed
461-90
]
[
2012
3ra ed
369-84
]
[
2001
29
6
6
364-8
]
[
2005
3
3
3
272-5
]
[
2012
14
4
4
423-34
]
[
2014
371
150-60
]
[
2009
48
1743-51
]