ISBN 0873672941 books & textbook
Interactive Videodisc and the Teaching-Learning Process (Fastback Ser. : No. 294)
Beardslee, Edward C. Davis, Geoffrey L.
Phi Delta Kappa Intl Inc /1989-01-01 Paperback / 40 Pages
isbn-10: 0873672941 / isbn-13: 9780873672948
