1981-2582 1981-2582 S1981-25822016000300393 10.15448/1981-2582.2016.3.22451 Brazil Brazil 00 09 2016 00 09 2016 39 3 393 403

33 2 2 131-46 25 1 1 115-31 28 4 4 451-56 19 2 2 561-72 20 48-57 13 26 26 31-60