Buquing, Sancho Sumbad College algebra : a simplified approach book 1/ Sancho Sumbad Buquing - Quezon City : Great books trading, 2004. - xiv, 255 pages ; 23 cm. Includes bibliographical references ISBN: 9718581502 Subjects--Topical Terms: Algebra LC Class. No.: QA 154.3 B87 2004 F/CASAT