Audio-visual aids to instruction
By: by Harry C. McKown...and Alvin B. Roberts...
Contributors: Roberts, Alvin B., joint author.
Edition: 2d ed.
Series: McGraw-Hill series in education, Harold Benjamin, consulting editor.
Publisher: McGraw-Hill book company, inc.
Published: 1949
Place of publication: New York and London
Language: eng
Number of pages: 608
Subjects: Audio-visual education.
Notes: "Selected references" at end of each chapter except chapter III. "Sources of materials and equipment": p. 579-595.