The school administrator and his audio-visual program

Detalhes bibliográficos
Autor Corporativo:	National Education Association of the United States. Dept. of Audio-Visual Instruction
Outros Autores:	Schuller, Charles Francis
Formato:	Livro
Idioma:	English
Publicado em:	Washington s.n. [1954].
Assuntos:	Audio-visual education.