Shenson, Howard L. How to develop & promote successful seminars and workshops the definitive guide to creating and marketing seminars, workshops, classes and conferences [Books]. Howard L. Shenson. - New York John Wiley 1990 - 274p. Notes Includes index. ISBN: 0471527092 0.00 Subjects--Personal Names: Seminars -- Handbooks, manuals, etc. Dewey Class. No.: AS/6 / SHE