2236-3459 2236-3459 S2236-34592017000300307 10.1590/2236-3459/61054 Brazil Brazil 00 12 2017 00 12 2017 21 53 307 325

21 17-39 XXVI 3 3 151-68 XXIII 79 79 65-82 MEC MEC MEC MEC 3 3 1-6 19-54 18 18 21-42 44-77 UNICEF UNICEF