Dean, Joel, 1906-1979. Managerial economics. - New York, Prentice-Hall, 1951. - xiv, 621 p. diagrs. 24 cm. Bibliographical footnotes. LCCN: 51002414 Subjects--Topical Terms: Managerial economics. LC Class. No.: HD31 / .D38 Dewey Class. No.: 658