Chua, Simon L. <br/><br/>Understanding elementary algebra Simon L. Chua, Josephine Lorenzo-Sy Tan, Andrew D. Del Mundo  - Quezon City  SIBS Publishing House, Inc.  2004 <br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/><br/><label>LC Class. No.: </label>QA 154.2 C48 2004