1816-8949
1816-8949
S1816-89492019000300053
10.18004/anales/2019.052.03.53-058
Paraguay
Paraguay
Paraguay
00
12
2019
00
12
2019
52
3
53
58
[
2011
]
[
2011
23
1
1
39
]
[
2009
2da edición
]
[
2013
55
55
260-5
]
[
2005
]
[
2008
7
7
173-90
]
[
2004
20
20
1-8
]
[
1985
76-112
]
[
2010
]
[
2018
11
1188-297
]
[
2008
7
173-90
]
[
2006
28
531-8
]
[
2017
11
12
12
1263-73
]
[
2017
2
32-8
]
[
2006
]
[
2008
vol. 1239
]
[
2011
15
1
1
37-45
]
[
2014
15
3
3
429-36
]
[
2007
]
[
2011
]
[
2007
139-47
]
[
2007
11
8
8
107-13
]
[
1982
163 p
]
[
2006
]
[
1988
66
]