A guide to audio-visual materials for elementary school social studies.

Manylion Llyfryddiaeth
Prif Awdur:	Hartley, William H. (William Harrison) (Awdur)
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	[Brooklyn, New York] Rambler Press [©1950].
Cyfres:	The Rambler audio-visual teaching series
Pynciau:	Audio-visual education. Social sciences > Study and teaching (Elementary)