TY  - BOOK
AU  - Bhatt, B. D. and Prakash, Ravi
TI  - Modern encyclopaedia of educational technology: : educational technology:audio-visual aids and films
SN  - 8173910286
U1  - 370.3 
PY  - 1994///
CY  - Delhi
PB  - ; Kanishka Publishers Distributors
KW  - Education-Encyclopaedia
KW  - Encyclopaedia
ER  -