1981-2582 1981-2582 S1981-25822017000200219 10.15448/1981-2582.2017.2.21916 Brazil Brazil 00 05 2017 00 05 2017 40 2 219 227

4 1/2 1/2 153-66 13 1 1 7-36 7 1 1 57-64 20 3 3