00690nam a22002297a 4500 20170124110042.0 548831 00.00 548831 Cen Lib/Ret DPL EN 808.5 HAN Hand, Harry E. 23989 Effective speaking for the technical man : by Harry E. Hand practical views and comments / New York Van Nostrand-Reinhold 1969 New York viii,278p.: 22cm(Hb) ill. Includes index Public speaking 17900 Public speaking--Audio-visual aids 23990 ddc EN 808.5 HAN 128627 128627 0 0 0 0 L L 2015-07-03 Cen Lib/Ret 0.00 1 1 808.5 HAN 548831 2021-12-06 00:00:00 2021-11-09 1 0.00 2015-07-03 EN