McDonald, Malcolm Marketing by matrix : 100 practical ways to improve your strategic and tactical marketing / Malcolm McDonald, John W. Leppard. - Lincolnwood : NTC Business Books, 1992. - 166 pages : 23 centimeters. ISBN: 0844234559 Subjects--Topical Terms: Market segmentation.Strategic plan. Dewey Class. No.: FOR 658.802 M14m 1992