Dwivedi, D. N. Managerial economics / D N Dwivedi. - 5th ed. - New Delhi : Vikas Publishing House Pvt Ltd., 1980. - xvii, 472 p. : ill. ; 23 cm. Includes bibliographical references and index ISBN: 070699762-X Subjects--Topical Terms: Managerial economics Dewey Class. No.: 658 / DWI