2222-145X
2222-145X
S2222-145X2021000200104
10.18004/rcfacen.2021.12.2.104
Paraguay
00
12
2021
00
12
2021
12
2
104
109
[
1997
256
]
[
1983
13
3
3
139-58
]
[
1986
141
]
[
1989
2
3
3
295-303
]
[
1996
464
]
[
Proyecto Aquidabán.
1975
197
]
[
1992
6
3
3
207-16
]
[
1985
17
166
]
[
1967
31
1079-1089
1079-1089
]
[
1981
373-94
]
[
2010
50
3
3
243-255.
]
[
1981
]
[
2013
]
[
1998
19
1-2
1-2
43-9
]