Hehman, Raymond D. Product management : marketing in a changing environment / Raymond D. Hehman. - Homewood, Ill. : Dow Jones-Irwin, c1984. - viii, 181 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0870945629 Subjects--Topical Terms: Product management.Marketing. Dewey Class. No.: 658.5 / HEP 1984