Ramanathan Ramu 1936 Introductory econometrics with applications / Ramu Ramanathan. - 4th ed. - Ft. Worth, TX : Dryden Press, 1997. - p. cm. - The Dryden Press series in economics . Includes bibliographical references and indexes. ISBN: 0030246164 LCCN: 97066403 Subjects--Topical Terms: Econometrics LC Class. No.: HB139