TY  - BOOK
AU  - Bhatt, B. D.
ED  - Sharma. S. R.
TI  - Educational technology: concept and technique
T2  - Modern education series
SN  - 8185475520
U1  - 371.3028 
PY  - 1992///
CY  - Delhi
PB  - Kanishka Publishing House
KW  - Instructional Technology
KW  - Instructional Systems
ER  -