TY  - GEN
AU  - Dale, Edgar, 1900-
TI  - Audio-visual methods in teaching 
U1  - 371.33 
PY  - 1954///
CY  - N.Y. 
PB  - Dryden Press 
KW  - Teaching methods
KW  - Audiovisual materials
KW  - classrooms
KW  - Education
N1  - 2068-1-7
ER  -