1816-8949
1816-8949
S1816-89492019000300091
10.18004/anales/2019.052.03.91-096
Paraguay
00
12
2019
00
12
2019
52
3
91
96
[
2004
Vol 1
4ª ed
237
]
[
1994
163
162-4
]
[
1989
62
178−180
]
[
1996
167
1229−1232
]
[
2014
49
1
1
74-7
]
[
1987
6
nª1
nª1
92−96
]
[
2008
16
1
1
107-10
]
[
2019
24
184−188
]
[
1995
68
197-9
]
[
2006
3
10-3
]
[
2008
]
[
2005
25
1
1
105-19
]
[
2008
16
1
1
107-10
]
[
2011
31
2
2
333-7
]
[
2003
32
9
9
504-9
]