Aufmann, Richard N. Intermediate Algebra/ an applied approach; student support edition Richard N. Aufmann, Vernon C. Barker & Joanne S. Lockwood - 7th Ed. instructor's annotated edition - Boston Houghton Mifflin Company 2009 - xxii various pagings ill. color 27.5cm ISBN: 9780547016429 Subjects--Topical Terms: LC Class. No.: QA154.2 / .A93