0101-7136 0101-7136 S0101-71362017000200413 10.5216/ia.v42i2.46103 Brazil 00 08 2017 00 08 2017 42 2 413 428

13 2 2 4 4 72-99 17 1 1 28 1 1 25 1 1 13 1 1