2307-0420
2307-0420
S2307-04202018000100024
10.18004/sopaci.2018.abril.24-27
Paraguay
Paraguay
00
04
2018
00
04
2018
42
1
24
27
[
2009
19
1167-214
]
[
2009
19
11
11
1159-65
]
[
2012
^s7
^s7
7
110-9
]
[
2009
21
2
2
-84
]
[
1993
118
4
4
282-9
]
[
1993
13
3
3
699-709
]
[
2001
]
[
2014
18
6
6
833-40
]
[
2010
78
6
6
476-81
]
[
1996
68
2
2
119-24
]
[
1984
144
1140
]
[
1987
34
4
4
891
]
[
1987
83
489
]
[
1981
3
216
]
[
2001
12
3
3
139-44
]
[
2013
28
1
1
15-23
]
[
2008
69
3
3
182-7
]
[
2013
17
11
11
8064-9
]