Ferdinand P. Nocon, Joel T. Torrecampo, Wilfredo B. Daguia, Magdalena P. Balacua, and Edna G. Ofrasio COLLEGE ALGEBRA Made Simple for Filipino - National Book Store, Inc. 2006 Includes Bibliography ISBN: 971-08-6123-9 Dewey Class. No.: Fil. 512.0070 C67 2006