Jolles, Robert L. <br/><br/>
How to Ruin Seminars and Workshops: Presentation Skills for Consultants, Trainers, and Teachers: Planning the Program, Selling Your Message, Captivating Your Audience 
Robert L. Jolles 
 - New York  John Wiley & Sons  1993 
 - xiv, 240 pages ;  23 cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>0-471-59478-4 
<br/><br/><label>Dewey Class. No.: </label>R/GR/658.456/J68