2178-5201 2178-5201 S2178-52012017000300265 10.4025/actascieduc.v39i3.27624 Brazil 00 09 2017 00 09 2017 39 3 265 275

13 25/26 25/26 163-74 13 25/26 25/26 143-62 5 14 14 167-83 5 1 1 169-72 13 2 2 31-48 24 48 48 189-211 16 37 37 92-117