Strategic Management A cross functional Approach porth,Stephen.J..etc - Upper River,New Jersery : Prentice hall, c2003. - xv, 266 p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 0030558581 LCCN: 90046427 LC Class. No.: HD30.28 / .B694 1991 Dewey Class. No.: 658.4