2448-6442 2448-6442 S2448-64422021000100209 10.24201/es.2021v39n115.2074 Brazil Uruguay 00 04 2021 00 04 2021 39 115 209 236

2007 1993 1991 1991 1991 2009 2002 1992 2003 2018 1990 1979 1994