TY  - BOOK
AU  - Thakur, K.R
TI  - Educational development & technology
SN  - 9788189005610
AV  - LB1028.3.T44 2010 
PY  - 2010///
CY  - New Delhi
PB  - saurabh
KW  - technology
N1  - include index
ER  -