1816-8949
1816-8949
S1816-89492020000300165
10.18004/anales/2020.053.03.165
Paraguay
Paraguay
00
12
2020
00
12
2020
53
3
165
172
[
1922
141
193-203
]
[
1994
186
157-75
]
[
1991
101-13
]
[
2000
6
117-26
]
[
2000
114
1148-53
]
[
1992
72
supl
supl
3-36
]
[
2001
40
373-9
]
[
1995
131
1312-8
]
[
2013
39
974-80
]
[
2012
66
292-311
]
[
1997
105-23
]
[
1989
Vol, 1
155
]
[
1997
36
659-85
]
[
1983
119
631-5
]
[
2001
45
296-9
]
[
2003
48
S9-10
]
[
1999
140
935-8
]
[
1995
2621-7
]