TY  - BOOK
AU  - Kumar,K.L.
TI  - Educational technology:  a practical textbook for students,teachers,professionals and trainers 
SN  - 8122408338
U1  - 371.33/KUM 
PY  - 1996///
CY  - New Delhi
PB  - New Age International
KW  - Education - Technology
N1  - Includes bibliographical references
ER  -