TY  - BOOK
AU  - Krishnan,S.S.
TI  - Instructional media for education and training / 
U1  - 371.33 23
PY  - 1987///.
CY  - Delhi : 
PB  - Asian publishers, 
KW  - Media.
KW  - Visual design.
KW  - Projection Techniques.
ER  -