1816-8949
1816-8949
S1816-89492020000300109
10.18004/anales/2020.053.03.109
Paraguay
Paraguay
00
12
2020
00
12
2020
53
3
109
114
[
2019
35
1
1
80-93
]
[
2017
26
4
4
709-15
]
[
2016
20
1
1
83-9
]
[
2019
35
10
10
919-29
]
[
2005
27
12
12
725-8
]
[
2017
33
7
7
515-26
]
[
2018
1st ed
]
[
2015
10
1
1
27069
]
[
2010
14
3
3
245-54
]
[
2019
23
4
4
746-51
]
[
2016
129
1
1
30-7
]
[
2020
50
1
1
24-9
]
[
2005
6
1-11
]
[
2007
61
3
3
348-58
]
[
2016
23
2473-88
]
[
2017
4
1
1
5-11
]
[
2012
34
3
3
105-11
]
[
2017
39
6
6
257-68
]
[
2011
25
7
7
617-26
]
[
2019
]
[
2010
12
1
1
24-34
]
[
2014
36
8
8
628-34
]
[
2019
7
1
1
36
]