1816-8949
1816-8949
S1816-89492018000200037
10.18004/anales/2018.051(02)37-046
Paraguay
Paraguay
00
08
2018
00
08
2018
51
2
37
46
[
1997
1ª Edición
11-117
]
[
2004
1ª Ed
9-15
]
[
1993
165
369-3671
]
[
1999
1
2
2
156-1 68
]
[
1998
6
889-98
]
[
2003
83
1.045-1.0451
]
[
1998
6
967-86
]
[
2004
85-91
]
[
1997
27-33
]
[
1993
3
535-5 47
]
[
1998
6
951-66
]
[
1995
117
597
]
[
2006
20
1
1
76-81
]
[
2005
9
2
2
156-9
]
[
1997
34-40
]