Panopio, Rolando G. <br/><br/>Workbook for personalized system of instruction (PSI) for college algebra / Rolando G. Panopio. --  -- Quezon City :  C & E Publishing, Inc.,  2006. <br/>v, 169 p. ;  22 cm. <br/><br/><label>ISBN: </label>971-584-499-5 <br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.