TY  - BOOK
ED  - Venkataiah, N.
TI  - Educational technology
SN  - 8170247233
U1  - 371.3028 
PY  - 1996///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Educational Technology
KW  - Instructional Technology
KW  - Teaching--Aids and Devices
ER  -