0101-7136 0101-7136 S0101-71362017000100105 10.5216/ia.v42i1.44516 Brazil 00 04 2017 00 04 2017 42 1 105 121

7 1 1 77 77 10 3 3 141-58 5 5 29 56 56 42-9 13 1 1 23-38 48 48 11-32