TY  - GEN
AU  - Siddiqui, Mujibul Hasan
TI  - Challenges of educational technology
SN  - 8176485837
AV  - LC 1022 SID 2004 
PY  - 2004///
CY  - New Delhi
PB  - A P H Publishing Corporation
KW  - Educational technology
N1  - Includes index
ER  -