TY  - BOOK
AU  - Singh, Y. K
AU  - Brijesh Upadhya
AU  - Sharma, T. K
TI  - Educational technology: management and planning
SN  - 9788131303658
U1  - 371.330954 SIN 
PY  - 2008///
CY  - New Delhi
PB  - A.P.H Publishing Corporation
KW  - Educational technology
ER  -