1809-4309 1809-4309 S1809-43092016000200394 10.5212/PraxEduc.v.11i2.0005 Brazil Brazil 00 08 2016 00 08 2016 11 2 394 409

35 126 126 659-88 24 62 62 64-81 33 79 79 213-41 9 2 2 11-67 38 1 1 13-28 7 2 2 131-47 16 2 2 237-46