2307-0420
2307-0420
S2307-04202017000300033
10.18004/sopaci.diciembre.33-36
Paraguay
00
12
2017
00
12
2017
41
3
33
36
[
1977
59
313-21
]
[
2005
27
312-7
]
[
2015
39
121-6
]
[
2011
15
607-14
]
[
2014
28
2-29
]
[
1977
11
11
749-56
]
[
1984
13
38
38
2317-8
]
[
2013
27
2
2
648-54
]
[
2009
96
8
8
851-8
]
[
2017
49
59-64
]
[
2013
14
331-7
]