0121-2494
0121-2494
S0121-24942021000100037
10.17227/pys.num54-11521
Brazil
00
06
2021
00
06
2021
54
37
54
[
2005
]
[
1999
]
[
1998
]
[
2009
]
[
1971
]
[
1985
]
[
1997
]
[
1995
]
[
Comenius
1997
3-9
]
[
Coménio
1985
5-41
]
[
Coménio
1971
7-29
]
[
2001
1
1
1
9-43
]
[
1992
]
[
1967
]
[
1900
]
[
2001
]
[
2006
]
[
1991
9-32
]
[
1998
19-39
]
[
125-43
]
[
1999
]
[
1994
11-48
]