Dean, Joel, 1906-1979. Managerial economics / Joel Dean - New Delhi : Prentice-Hall, c1951 [Reprinted 1964, 72, 77]. - xiv, 621 p. : ill. ; 23 cm. Includes index. Subjects--Topical Terms: Managerial economics. Dewey Class. No.: 338.5024658 / DEM