Walker, Orville C. Marketing strategy : a decision-focused approach / [book] Orville C. Walker, John W. Mullins - 7th ed - Boston : McGraw, c2010. - xxi, 551 p. : chiefly col. ill. ISBN: 9780071267762 007126776X Subjects--Topical Terms: Marketing--Management LC Class. No.: HF5415.13 / .W182 2010