1816-8949
1816-8949
S1816-89492021000100133
10.18004/anales/2021.054.01.133
Paraguay
Paraguay
00
04
2021
00
04
2021
54
1
133
136
[
2009
28 35
]
[
2017
]
[
2017
21
11
11
3242
]
[
2014
7
2
2
47-52
]
[
2014
28
3
3
579-86
]
[
2010
8
1
1
26-31
]
[
2015
19
2
2
167-78
]
[
2015
13
2
2
333-6
]
[
2015
19
11
11
1353-8
]
[
2006
8
374-80
]
[
2013
29
32-9
]