TY  - BOOK
AU  - kenneth B Haas
AU  -  Harry Q Packer, 
TI  - Preparation and use of Audio-Visual Aids. Ed.3
U1  - 371.33 
PY  - 1964///
CY  - New Delhi
PB  - Prentice Hall of India Pvt Ltd
N1  - kenneth B Haas & Harry Q Packer: Preparation and use of Audio-Visual Aids. Ed.3.  (3rd Edition)  New Delhi.  Prentice Hall of India Pvt Ltd, 1964.--(371.33HAA)
ER  -