TY  - BOOK
AU  - Mangal,S K &. Mangal,Uma.
TI  - Essentials of Educational Technology
SN  - 9788120337237
U1  - 371.1 
CY  - New Delhi
PB  - PHI Learning.
KW  - Education-Educational Technology
KW  - MS-Edn
KW  - Deptt-Edn
KW  - PG-Edn
KW  - G-Edn
ER  -