TY  - GEN
AU  - Brown, James W
AU  - Harcleroad, fred F
AU  - Lewis, Richard B
TI  - A-V instruction materials and methods
U1  - 371.  33 BRO 
CY  - London, Mc Graw- Hill Book Company Inc
KW  - Learning/teaching/communication/materials/films/education-methods/teaching-audio visual
ER  -