TY  - BOOK
AU  - Rao, V.K
TI  - The Nature of Educational Technology
T2  - World Educational Development Series - 6
SN  - 9788171692286 
U1  - 371.3078 
PY  - 2005///
CY  - New Delhi
PB  - Commonwealth Publishers, 
KW  - Med
KW  - Education
KW  - Audio-visual education.
KW  - Educational technology.
KW  - Teaching -- Aids and devices.
KW  - Teaching -- Methodology
ER  -