2521-2281
2521-2281
S2521-22812020000200068
10.52379/mcs.v4i2.116
Paraguay
00
08
2020
00
08
2020
4
2
68
74
[
2015
18
2
2
103-11
]
[
2016
33
2
2
130-7
]
[
2005
34
3
3
53-4
]
[
2017
20
2
2
120-5
]
[
2007
8
139-49
]
[
2007
1
2
2
66-71
]
[
2009
12
4
4
14-21
]
[
2001
129
5
5
495-502
]
[
2014
63
6
6
968-78
]