Audio-visual materials
Wittich, W.A., Schuller, C.F.
Audio-visual materials Their nature and use by W.A. Wittich and C.F. Schuller - 2nd edn. - New York 1957 - 570 pp. & 14 pls.
Audio Visual Aids
371.33 / W 832 A
Audio-visual materials Their nature and use by W.A. Wittich and C.F. Schuller - 2nd edn. - New York 1957 - 570 pp. & 14 pls.
Audio Visual Aids
371.33 / W 832 A