Rizaldi C. Nocon Essential business mathematics : theory of interest, business calculus/ Rizaldi C. Nocon - Quezon City : C & E Publishing, c2013. - x, 392 pages ; 26 cm. Includes bibliography. ISBN: 9789719800682 Subjects--Topical Terms: 1. Business mathematics. Dewey Class. No.: Fil. 513.93 N756e 2013