2178-5201 2178-5201 S2178-52012019000100101 10.4025/actascieduc.v40i1.34184 Brazil Brazil 00 01 2019 00 01 2019 41

2010 2007 14a 1980 2006 1992 2003 2007 2 2007 4 1998 2012 1998 2016 11 2 2 611-33 2014 8 17 17 15-28 2012 156 1991 202-36 2009 1986