Preparation and use of audio-visual aids
Haas, Kenneth B
Preparation and use of audio-visual aids - New Delhi Prentice - Hall 1964 - xii, 381p. 22 cm.
Roman
Education - Audio visual aids
Education - School - Audio visual aids
371.33
Preparation and use of audio-visual aids - New Delhi Prentice - Hall 1964 - xii, 381p. 22 cm.
Roman
Education - Audio visual aids
Education - School - Audio visual aids
371.33