0121-2494
0121-2494
S0121-24942021000200041
10.17227/pys.num55-13017
Brazil
Colombia
00
12
2021
00
12
2021
55
41
53
[
2005
]
[
1996
]
[
2004
]
[
1999
]
[
2020
]
[
1993
]
[
1999
a
393-416
]
[
1999
b
431-42
]
[
2001
241-59
]
[
2003
]
[
2010
]
[
2014
]
[
2019
]
[
1967
]
[
1977
2
]
[
2000
]
[
2007
]
[
2008
]
[
2013
]
[
2016
]
[
1966
]
[
2011
]
[
2013
]
[
2009
]