Henry, William R. Managerial economics : analysis and cases / William R. Henry, W. Warren Haynes. - 4th ed. - Dallas : Business Publications, 1978. - xvi, 708 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0256020795 LCCN: 77091316 //r86 Subjects--Topical Terms: Managerial economics. LC Class. No.: HD30.22 / .H45 1978 Dewey Class. No.: 658.4