1984-7114 1984-7114 S1984-71142016000100062 10.14210/contrapontos.v16n1.p62-77 Brazil 00 04 2016 00 04 2016 16 1 62 77

2 8 8 7-37 19 3 3 561-84 20 50 50 9-25 11 1 1 141-52 26 43 43 1021-047