2177-5796 10.22483/2177-5796.2018v20n3p779-798 Brazil Brazil 20 12 2017 20 12 2018 20 3 779 798

1995 1980 2006 2014 4 2 2 68-77 2010 20 46 46 249-259 2003 2012 16 36 36 89-111 1991 2006 2014 2011 39 39 225-239 2010 2012 1996 1997 1971 2002