Hager, Peter J. Designing & delivering scientific, technical, and managerial presentations / Peter J. Hager, H.J. Scheiber. - New York : John Wiley & Sons, Inc., 1997. - 339 pages : 25 centimeters. ISBN: 0471155640 Subjects--Topical Terms: Oral communication.Public speaking. Dewey Class. No.: FOR 302.2242 H12d 1997