Nicholson, Walter. Microeconomic theory : basic principles and extensions / Walter Nicholson. - 9th ed. - Mason, Ohio : Thomson/South-Western, c2005. - xvi, 671 p. : ill. ; 27 cm. Includes bibliographical references and index. ISBN: 0324270860 TZS 135,078/= Subjects--Topical Terms: Microeconomics. Dewey Class. No.: 338.5 NIC