Dunckel, Jacqueline, 1930- The business guide to effective speaking : making presentations, using audio-visuals and dealing with the media / Jacqueline Dunckel, Elizabeth Parnham. - London : Kogan Page, 1985. - 122 p. ISBN: 0889085919 : $6.95 Nat. Bib. No.: C84-91161-0 Subjects--Topical Terms: Public speaking.Communication in management. Dewey Class. No.: 808.5/1�19