TY  - BOOK
AU  - Kumar, K. L.
TI  - Educational technology : a practical textbook for students, teachers, professionals and trainers
SN  - 9788122421583
U1  - 371.33 KUM 
PY  - 2012///
CY  - Guwahati
PB  - New Age International
N1  - Includes bibliographical references
ER  -