2177-5796 10.22483/2177-5796.2018v20n2p425-440 Brazil Brazil Brazil 15 05 2017 15 05 2017 20 2 425 440

2014 2016 1999 2015 1994 2010 2011 2000 71 71 21-44 2008 2010 2014a 2014b 1975