1809-3876 1809-3876 S1809-38762017000100025 10.23925/1809-3876.2017v15i1p25-44 Brazil Portugal Brazil 00 03 2017 00 03 2017 15 1 25 44

31 31 213-30 02 2-6 34 2 2 4 14 14 194-98 22 37 37 7-32 45 45 2-20 45 155 155 30-55 33 33 73-86 48 3 3 135-47