1676-2592 1676-2592 S1676-25922016000400857 10.20396/etd.v18i4.8646438 Brazil Brazil 00 12 2016 00 12 2016 18 4 857 874

09 14 14 25-51 33 01 01 35-48 02 02 01-26 11 02 02 146-64