1816-8949
1816-8949
S1816-89492020000100031
10.18004/anales/2020.053.01.31-040
Paraguay
Paraguay
Paraguay
Paraguay
Paraguay
00
04
2020
00
04
2020
53
1
31
40
[
1997
11
13-26
]
[
2011
156
2
2
131-6
]
[
2018
38
4
4
448-53
]
[
2019
Sixth Edition
502-21
]
[
2008
22
5
5
801-23
]
[
2013
27
6
6
791-802
]
[
2013
20
3
3
209-14
]
[
1998
76
9
9
815-27
]
[
2010
2
6
6
263-6
]
[
2015
42
4
4
547-60
]
[
2013
5
190
190
190fs23
]
[
2007
34
1
1
1-6
]
[
2017
50
2
2
51-66
]
[
2018
5
1
1
59-70
]
[
2017
37
2
2
96-103
]
[
2010
152
1
1
13-7
]
[
1990
31
331-3
]
[
2007
47
4
4
313-5
]
[
2018
222
176-81
]
[
2018
67
1
1
18-22
]
[
2018
18
1
1
99
]
[
2011
1
1
1
39-50
]
[
2018
18
107
]
[
2005
45
4
4
667-73
]
[
2000
14
2
2
136-40
]
[
2009
113
2
2
346-52
]
[
2003
17
367-94
]
[
2016
Vol II
10th Edition
1610-39
]
[
2004
4
4
]
[
2017
27
2
2
107-11
]
[
2000
343
14
14
992-7
]