TY  - BOOK
AU  - Das, R.C.
TI  - Educational technology : a basic text
SN  - 8120715055
U1  - 371.3028 
PY  - 1993///
CY  - New Delhi
PB  - Sterling Publishers
KW  - Educational Technology
KW  - Instructional Technology
KW  - Educational technology
ER  -