1982-9949 1982-9949 S1982-99492019000300220 10.17058/rea.v27i3.11630 Brasil Brasil Brasil 00 09 2019 00 09 2019 27 3 220 231

2008 2010 2004 2002 2000 2017 2010 2003 23 16-25 2002 237-80