Shenson, Howard L. How to develop and promote successful seminars and workshops : the definitive guide to creating and marketing seminars, workshops, classes, and conferences / Howard L. Shenson - New York : John Wiley, c1990. - x, 275 p. : ill. ; 26 cm. ISBN: 0471527084 LCCN: Subjects--Topical Terms: SeminarsHandbooks manuals etc. LC Class. No.: AS6 / .S49 1990