Gupta, S. P. Business statistics / S. P. Gupta and M. P. Gupta. - 10th thoroughly revised and enlarged ed. - New Delhi : Sultan Chand & Sons, [Reprinted 1994]. - ix, 791p. : ill. ; 22 cm. Subjects--Topical Terms: Business. Dewey Class. No.: 658.001 / GUB 1994