2222-145X
2222-145X
S2222-145X2018000200113
10.18004/rcfacen.2018.9.2.113
Paraguay
Argentina
00
12
2018
00
12
2018
9
2
113
114
[
1998
32
607-611.
]
[
2012
29
1
1
19-26.
]
[
2006
20
2
2
3-79.
]
[
2008
39
362
]
[
2007
97
1
1
21-26.
]
[
1974
61
1-68.
]
[
1994
364
]
[
2001
129
430-435.
]
[
1995
176
]
[
2003
157
]
[
2007
2
23-30.
]