TY  - BOOK
AU  - Kieffer, R. E. de,
TI  - Manual of Audio Visual Techniqes
U1  - 371 
PY  - 1968///
CY  - New Delhi
PB  - Prentice - Hall of India Pvt. Ltd.
KW  - Audio Visual Techniqes
KW  - Schools & their activities special education
ER  -