TY  - BOOK
AU  - Mangal, S K
AU  - Mangal, Uma
TI  - Essentials Of Educational Technology
SN  - 9788120337237
U1  - 372.071 
PY  - 2009///
CY  - New Delhi
PB  - Phi Learning
KW  - Essentials Of Educational Technology
KW  - General
ER  -