Patwardhan, K. S. Elements of commercial arithmetic : F. Y. Com. (B.U.) pre-degree (other universities), G. C. D. / K. S. Patwardhan., S. P. Joshi and R. S. Mhatre - 3rd rev. and enl. ed. - Allahabad : Kitab Mahal, 1974 - 350 p. ; 22 cm. ISBN: Rs. 13.00 Subjects--Topical Terms: Business mathematics Dewey Class. No.: 511.8