TY  - BOOK
AU  - Bhatt, B D    
TI  - Educational technology: concept and techniques 
U1  - 371.3078, BHA  
PY  - 1992///
CY  - Delhi
PB  - Kanishka
KW  - Computer
KW  - Educational technology
KW  - Films
KW  - Learning materials
KW  - Television
ER  -