TY  - BOOK
AU  - Y.K. Singh, 
TI  - Instructional technology in education / 
U1  - 371.33 
PY  - 2005///
CY  - New Delhi
PB  - APH
KW  - Teaching aids, equipments, materials
KW  - Method of instruction
KW  - Education
N1  - Includes index
ER  -