Aguaviva, Erlinda M. College algebra / Erlinda M. Aguaviva, Benjamin C. Dayrit, Avelina M. Yap. - Manila : Rex Book Store, 1996. - vi, 226 p. ; 23 cm. ISBN: 9712320634 Subjects--Topical Terms: Algebra--Study and teaching (Higher). Dewey Class. No.: Fil. 512.0076 Ag91c 1996