1816-8949
1816-8949
S1816-89492021000300113
10.18004/anales/2021.054.03.113
Paraguay
00
12
2021
00
12
2021
54
3
113
118
[
2004
62
601-6
]
[
2011
2
3
3
198-207
]
[
2017
389
1336-46
]
[
2008
2ND ed
187-91
]
[
2000
343
938-52
]
[
2014
4
2
2
63-5
]
[
2017
32
2
2
113-9
]
[
2008
14
5
5
656-62
]
[
2001
59
165-70
]
[
2006
64
3B
3B
727-30
]
[
2000
58
460-6
]
[
2011
17
1010-6
]
[
2000
343
938-52
]
[
2016
80
499-510
]
[
2017
376
3
3
221-34
]