Johnson, Gerry. Exploring corporate strategy / Gerry Johnson, Kevan Scholes, Richard Whittington. - 8th ed. - Harlow, England : Prentice Hall, 2008. - xxxi, 625 p. ISBN: 0273711919 Subjects--Topical Terms: Business planning.Strategic planning. LC Class. No.: HD30.28 / .J64 2008