Islam, M Nurul. An Introduction to sampling methods: theory and applications. - Revised. - Dhaka Book World. 2005 - 21 cm xv, 494 page. Statistics . 31 21 cm. Includes Index . ISBN: 984-32-1976-7 Standard No.: Available Source: Available Subjects--Personal Names: Subjects--Topical Terms: Mathematics Dewey Class. No.: 519.52 ISS