A manager's guide to audiovisuals /
Allen, Sylvia.
A manager's guide to audiovisuals / Sylvia Allen. - New York : McGraw-Hill, c1979. - ix, 182 p. : ill.
0070010935
55051587
Communication in management--Audio-visual aids.
Management--Audio-visual aids.
A manager's guide to audiovisuals / Sylvia Allen. - New York : McGraw-Hill, c1979. - ix, 182 p. : ill.
0070010935
55051587
Communication in management--Audio-visual aids.
Management--Audio-visual aids.