Gabriel, Presentacion B. Fundamentals of investment mathematics Presentacion B. Gabriel, Anita C. Ong - Revised edition - Manila: Island Publishing, 1994. - vi, 323 pages; 21 cm. ISBN: 971869403x Subjects--Topical Terms: 1.Investment--Mathematics--Study and teaching(Higher).I.TitleLC Class. No.: HG 4515.3 / G118