1981-2582 1981-2582 S1981-25822015000300349 10.15448/1981-2582.2015.3.21779 Brazil Brazil 00 09 2015 00 09 2015 38 3 349 357

6 1 1 173-87 22 34 34 40-60 9 1 1 1-10 13 1 1 67-94 34 21 21 28-36 23 81 81 143-60