1983-9278 1983-9278 S1983-92782018000200109 10.5585/eccos.n46.7894 Brazil Brazil 00 05 2018 00 05 2018 46 109 130

2006 41-70 1994 1999 2007 28 101 101 1503-23 1987 3 2009 2012 23 2011 2001 1 2 2 117-30 2006 28 28 37-53 2012 19-26 2010 1 1 141-60 2000 2001 2011 2002 2012 19-26 2010 2009 2013 UFG. Universidade Federal de Goiás 2013