Ireland, R Duane. The management of strategy concepts / R. Duane Ireland, Robert E. Hoskisson and Michael A. Hitt. - Mason, OH : South-Western Cengage Learning, 2009. - 8th ed. xxv, 388 p. : ill. ; 25 cm. Includes index. Includes biblbiographical references. ISBN: 0324581300 (pbk. ) Subjects--Topical Terms: Strategic planning--Strategic management.