Schultz, Don E, Sales promotion essentials : the 10 basic sales promotion techniques-- and how to use them / Don E. Schultz, William A. Robinson, Lisa A. Petrison. - 3rd ed. - 231 páginas : ilustraciones ISBN: 0844232394 0844233544 0844233552 Subjects--Topical Terms: Ventas. Dewey Class. No.: 658.82 / S387s 1998