Das, M. N. Statistical methods and concepts / M. N. Das - New Delhi : Wily Eastren, c1989. - xii,256 p. : 23+ cm. Includes bibliographical references [p. 251-252.] and index. ISBN: 8122401198 Subjects--Topical Terms: Mathematical statistics. LC Class. No.: QA276 / .D37 1989 Dewey Class. No.: 519.5 / D229s