Audio-visual methods in teaching /Edgar Dale.
Dale, Edgar.
Audio-visual methods in teaching /Edgar Dale. - New York The Dryden Press 1954
Christian education
Teaching -- Aids and devices
Audio-visual methods Teaching methods
371.33 / Dal
Audio-visual methods in teaching /Edgar Dale. - New York The Dryden Press 1954
Christian education
Teaching -- Aids and devices
Audio-visual methods Teaching methods
371.33 / Dal