Mankiw, N. Gregory Principles of economics N. Gregory Mankiw - 9th ed. - Boston, MA : Cengage Learning, C2021. - xxxi, 816 p. col. ill. ; 27 cm. Previous edition: 2017. Includes index. ISBN: 9780357038314 Subjects--Topical Terms: Economics Dewey Class. No.: 330 MA PR