Larson, Roland E. Heath Algebra 1 : An Integrated Approach / Roland E. Larson. - Evanston, Illiois: Mc-Douga Littell c1998. - 808 p. ISBN: 0-669-43359-4 Subjects--Topical Terms: Algebra. Dewey Class. No.: Cir 512 L3299 1998