Wooldridge, Jeffrey M. Introductory economics amodern approach / Jeffrey M. Wooldridge. - 7th ed. - United States: Cengage, c2020. - xxii, 826p.: ill.; 23 cm. Includes index. Dept. of Economics. ISBN: 9781337558860 Subjects--Topical Terms: Econometrics. Dewey Class. No.: 330.015195 / WOI