Churchill, Gilbert A. Sales force management planning, implementation, and control / Gilbert A. Churchill Jr., Neil M. Ford, Orville C. Walker, Jr. - 2nd. ed. - Inc., Homewood, Ill. Richard D. Irwin, 1985. - 755p. ill 25cm. - The Irwin series in marketing . ISBN: 0256031845 Subjects--Topical Terms: Sales management