The school administrator and his audio-visual program

The school administrator and his audio-visual program

Manylion Llyfryddiaeth
Awdur Corfforaethol: National Education Association of the United States. Dept. of Audio-Visual Instruction
Awduron Eraill: Schuller, Charles Francis
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington s.n. [1954].
Pynciau:
Audio-visual education.