TY  - BOOK
AU  - Siddiqui, Mujibul.Hasan.
TI  - Encyclopaedia of Educational technology: Distence learningTechnologies in Education
SN  - 8176485713
U1  - REF 371.33003 SID 
PY  - 2011///
CY  - New Delhi
PB  - APH publishing corporation
KW  - Encyclopaedia of Educational technology
N1  - Includes indexes; Vol 4
ER  -