Haas, Kenneth B. Preparation and se of Audio - Visual Aids [Text] Kenneth B. Haas & Harry Q. Packer - Third - New Delhi Prentice-Hall of India (Private) Ltd. 1964 - xiv+381p.; Hb ISBN: 850.00 LCCN: 006317 Subjects--Topical Terms: Education -- Audio Visual Aids Dewey Class. No.: 371.33 / H353P