1816-8949
1816-8949
S1816-89492022000200088
10.18004/anales/2021.055.02.88
Paraguay
00
08
2022
00
08
2022
55
2
88
91
[
2012
28
441-7
]
[
2015
33
1
1
66-78
]
[
2007
11
378-82
]
[
2013
58
160
160
]
[
2021
13
1-14
]
[
2019
12
12
12
35-8
]
[
2017
31
e192-4
]
[
2010
38
4
4
161-3
]
[
2019
32
3
3
155-61
]
[
2018
33
2
2
81-5
]