TY  - BOOK
AU  - Ruhela, S. P.
TI  - Essentials Of Educational Technology
SN  - 8173410879
U1  - 371.39 
PY  - 1999///
CY  - INDIAN
PB  - New Delhi
KW  - Education
KW  - Educational Technology
N1  - Includes Bibloigraphy
ER  -