TY  - BOOK
AU  - De Kieffer, R.E. 
AU  - Cochran, Lee W. 
TI  - Mannual of Audio - Visual Techniques ; GSC001945
U1  - 371.33 
PY  - 1966///
CY  - New Delhi
PB  - Prentice-Hall of India (Private) Ltd.
KW  - Education -- Instructions methods -- Study
KW  - Audio - Visual -- Techniques
ER  -