1982-9949 1982-9949 S1982-99492021000100098 10.17058/rea.v29i1.14773 Brazil Brazil 00 01 2021 00 01 2021 29 1 98 113

2015 2009 2004 1982 49 2003 2002 2016 MST 2005 13 13 2014 2013 SEED 2003 SEED 2009 2009 1988