2178-5201 2178-5201 S2178-52012019000100117 10.4025/actascieduc.v41i1.46791 Brazil 00 01 2019 00 01 2019 41

2015 1991 1984 2005 2002 1980 1950 1989 1998 127 2001 2009 1980 2009 1987 55-79 1988 1990 1988 73-98 2012 1997 15-56 1999 1987