TY  - BOOK
AU  - Kumar, K L.
TI  - Educational technology: practical textbook for students teachers professionals and trainers 
SN  - 8122408338
U1  - 370  1
PY  - 1996///
CY  - New Delhi
PB  - New Age International Pvt Ltd
KW  - Boards charts and handouts
KW  - Models and realia
KW  - Programmed learning
ER  -