1809-4309 1809-4309 S1809-43092016000100107 10.5212/PraxEduc.v.11i1.0005 Brazil 00 04 2016 00 04 2016 11 1 107 128

14 1 1 243-59 36 1 1 21-7 42 147 147 808-25 42 147 147 700-15 30 106 106 87-109 42 147 147 716-37 33 89 89 15-34 25 25 5-17