1981-2582 1981-2582 S1981-25822015000100049 10.15448/1981-2582.2015.1.18443 Brazil 00 04 2015 00 04 2015 38 1 49 58

27 2 2 143-56 27 2 2 205-24 10 55 55 53-61 34 2 2 277-93 40 140 140 587-604