Abad, Ma. Leah I. Advanced algebra/ Ma. Leah I. Abad. - Bulacan: St Andrew Publishing House, c2014. - viii, 206 pages; 25 cm. Includes bibliographical references. ISBN: 978-971-014-283-5 Subjects--Topical Terms: Algebra. Dewey Class. No.: DFil 512 / Ab13a