Dwivedi, D.N. Managerial economics / D. N Dwivedi - 7th ed. - India : Vikas publishing house, c2008. - xxiv, 704 p. : ill. ; 25 cm. Includes index. ISBN: 9788125923473 LCCN: 2009004491 Subjects--Topical Terms: Managerial economics. Dewey Class. No.: 338.502 / DWI