TY - BOOK T1 - Mathematics of investment A1 - De Leon, Cynthia Guerrero LA - English PP - San Juan PB - Academic Pub. House YR - 1981 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217602502085 OP - 128 CN - HF 5691 D45 KW - Business mathematics. KW - Annuities. KW - Insurance, Life : Mathematics. ER -