Walker, Orville C., Marketing strategy : a decision-focused approach / Orville C. Walker, John W. Mullins. - Eighth edition. - New York, NY : McGraw-Hill Higher Education, 2013. - 368 pages : Diagramme ; 22 cm ISBN: 1259010902 9781259010903 Subjects--Topical Terms: Marketing. Dewey Class. No.: 658.8