Preparation and use of audio-visual aids
Hass, Kenneth B., Packer, Harry Q. and Kuhn, Bert Paul
Preparation and use of audio-visual aids - 3rd ed. - England ; Prentice Hall , 1955 - xii,381p.
400
Education
Method Of Instruction
371.3 / HAS
Preparation and use of audio-visual aids - 3rd ed. - England ; Prentice Hall , 1955 - xii,381p.
400
Education
Method Of Instruction
371.3 / HAS