McDonald, Malcolm. Marketing by matrix : 100 practical ways to improve your strategic and tactical marketing / Malcolm H.B. McDonald and John W. Leppard. - Oxford ; Boston : Butterworth Heinemann, 1992. - 168 p. : ill. ; 25 cm. Includes index. ISBN: 0750604085 LCCN: 92161964 Subjects--Topical Terms: Marketing--Management LC Class. No.: HF5415.13 Dewey Class. No.: 658.8