Padua, Alicia L. Painless math: advanced algebra / Alicia L. Padua and Ricardo M. Crisostomo - Pasig City Anvil Publishing, Inc. c2008. - 87p. ISBN: 978-971-27-2080-2 Subjects--Topical Terms: Algebra (advanced).Pure sciences. Dewey Class. No.: Cir 512.1 P136 2008