Sundaresan, V. Introduction to business mathematics - 4th ed. rev. - New Delhi: S. Chand & Company Pvt. Ltd., 2013. - viii, 451 p. ISBN: 9788121914635 8121914639 Subjects--Topical Terms: Commercial ArithmeticBusiness modelsAnalytical Geometry Dewey Class. No.: 650.01513 SUN