Parreņo, Elizabeth B. College algebra / Elizabeth B. Parreņo - Mandaluyong City, Philippines : Books Atbp. Publishing 2011 - viii, 321 pages : illustrations ; 23 cm. ISBN: 9710412181 Subjects--Topical Terms: Algebra -- Textbooks. LC Class. No.: Fil QA154.36 / .P258 2011 Dewey Class. No.: F 512 P258c 2011