2177-5796 10.22483/2177-5796.2018v20n3p647-671 Brazil Brazil 20 12 2017 20 12 2018 20 3 647 671

1994 BRASIL 2012 BRASIL 1996 134 248 248 27834-27841 BRASIL 2008 145 136 136 1 BRASIL 2014 151 120 120 1-7 2006 95-112 1999 2013 187-206 2011 2001 2010 2008 2006 2004 2010 2006 49-73 2002 28 2 2 41-56 2012s 2008 2010 2000 2010 53-94 1997 1998 1984 2012 2012 Santa Cruz do Sul 2010 11-35