Buquing, Sancho S College Algebra (simplified approach) : Book 1 / Sancho S. Buquing. - Quezon City : Great Books Trading, 2004. - xiv, 255 pages ; 22 cm Includes bibliographical references. ISBN: 971-8581-50-2 Subjects--Topical Terms: Algebra. Dewey Class. No.: Fil./G.Ed. 512 B944 2004