2414-8938
2414-8938
S2414-89382020000100089
10.30545/academo.2020.ene-jun.9
Paraguay
Spain
Spain
Spain
00
06
2020
00
06
2020
7
1
89
96
[
2016
27
2
2
517-32
]
[
1957
]
[
2007
26
158-65
]
[
2018
11
4
4
65-74
]
[
2019
1
1
1
55-72
]
[
2004
]
[
2019
6
1
1
71-80
]
[
1974
XXVI
202
202
127-57
]
[
2010
]
[
2018
66
4
4
595-600
]
[
2018
23
23
87-90
]
[
1974
]
[
2015
]
[
2014
]
[
1971
]
[
2019
21
41
41
81-90
]
[
2018
23
23
44-8
]
[
2014
8
2
2
157-69
]
[
2013
10
233-70
]
[
2018
23
2
2
551-66
]
[
1940
]
[
1996
vol. 27
pp. 131-54
]
[
1996
vol. 27
pp. 546-7
]
[
2006
6
1
1
1-34
]
[
1907
]
[
1996
vol. 27
pp. 479-521
]
[
1984
pp. 17-55
]
[
2019
23
74
74
123-8
]
[
1919
714
281-4
]
[
2017
19
70
70
60-9
]
[
1986
5
7-22
]
[
2019
22
1
1
315-33
]
[
1986
5
119-29
]
[
2011
427-40
]
[
1984
]
[
2018
]
[
1996
9
1
1
11-27
]
[
2018
22
1
1
93-116
]