Batacan, Ma. Carmelita A. College algebra and trigonometry: textbook/ workbook - Mandaluyong City National Book Store 2003 - ix, 248 p. ; ill. ISBN: 971-08-6365-7 Subjects--Topical Terms: algebra- textbooksTrigonometry- Textbooks Dewey Class. No.: Fil 512.13 B31c