2177-5796 10.22483/2177-5796.2018v20n3p707-719 Brazil 20 12 2017 20 12 2018 20 3 707 719

1497 1998 1978 1987 2011 1925 1980 2009 1997 2002 1999 1983 2005 1978 2002 1998 2000 1998 2007