TY  - BOOK
AU  - Prasad, Janardan. Kaushik, Vijay Kumari ed.
TI  - Advanced educational technology
SN  - 8173915512
U1  - 371.33  PRA;1  R 
PY  - 2004///
CY  - New Delhi
PB  - APH publ.
KW  - Advanced,educational
ER  -