Oster, Sharon M. Modern competitive analysis / Sharon M. Oster. - 3rd ed. - New York : Oxford University Press, 1999. - x, 434 p. : ill ; 24 cm. ISBN: 019511941X (alk. paper) LCCN: 98038221 Subjects--Topical Terms: Competition.Strategic planning. Dewey Class. No.: 338.6/048