Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2010.
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212
In Portuguese, some English; abstracts in both languages.
Issued by the Instituto Nacional de Estudos Pedagógicos, 1944- ; by the Instituto Nacional de Estudos e Pesquisas Educacionais, <julho/set. 1973->