0101-7136 0101-7136 S0101-71362017000200396 10.5216/ia.v42i2.46114 Brazil Brazil Brazil 00 08 2017 00 08 2017 42 2 396 412

46 160 160 484-502 19 1 1 132-39 17 50 50 369-83 8 13 13 189-202