Islam, M. Nurul. An introduction to sampling methods : theory and applications / M. Nurul Islam. - rev. ed. - Dhaka : Book World, c2007. - xv, 494 pages : illustrations ; 22 cm. Includes bibliographical references and index. ISBN: 9843219767 Subjects--Topical Terms: Sampling (Statistics) Dewey Class. No.: 001.4222 ISL