Preparation and use of audio-visual aids/3e
Hass, Kenneth B
Preparation and use of audio-visual aids/3e - 3rd ed. - New Delhi Prentice Hall 1962 - xii,381p
Audio visual aids
371.335 / HAS
Preparation and use of audio-visual aids/3e - 3rd ed. - New Delhi Prentice Hall 1962 - xii,381p
Audio visual aids
371.335 / HAS