Troutman, Andria P. Mathematics : a good beginning / Andria P. Troutman, Betty K. Lichtenberg. - 6th ed. - Australia : Thomson Wadsworth, c2003. - xxii, 616 pages : color illustrations ; 28 cm Includes bibliographical references and index. ISBN: 0534529054 Subjects--Topical Terms: Mathematics--Study and teaching (Elementary). LC Class. No.: QA135.6 / T75 2003