1816-8949
1816-8949
S1816-89492020000300081
10.18004/anales/2020.053.03.81
Paraguay
Paraguay
Paraguay
00
12
2020
00
12
2020
53
3
81
94
[
2000
]
[
2008
23
3
3
]
[
2010
]
[
2005
19
2
2
]
[
2009
11
2
2
]
[
2008
]
[
2000
1
1
1
28-31
]
[
2010
8
5
5
]
[
OREAL/UNESCO
2005
]
[
1994
4
8
8
47-63
]
[
2000
]
[
2010
8
5
5
]
[
2010
8
6
6
98-103
]
[
2001
]
[
1997
11
1
1
5-8
]
[
2001
15
3
3
219-24
]
[
2002
1
1
1
5-9
]
[
2005
]
[
2000
]
[
2003
16
3
3
298-306
]
[
2008
]
[
2011
9
17
17
]
[
1990
13-25
]
[
1985
]
[
1999
]
[
2009
7
6
6
]
[
1999
3º ed
]
[
1996
]
[
2005
]
[
2001
4
]
[
2004
140
4
4
381-90
]
[
2000
58
217
217
491-514
]
[
2002
]
[
Educarchile
2007
]
[
1985
Vol 1
120
120
209-39
]
[
1983
]
[
1979
]
[
2002
5
1
1
]
[
2010
16
1
1
7-16
]
[
2007
29
1
1
95-103
]
[
2003
34
3
3
]
[
2006
32
4
4
]