Islam, M. Nurul. Introduction to research methods : a handbook for business and health research / M. Nurul Islam. - 1st ed. - Dhaka : Mullick & brothers, c2008 [Reprinted 2009]. - viii, 433 pages : illustrations ; 21 cm. Includes index. ISBN: 9843000014223 Subjects--Topical Terms: Research methods. Dewey Class. No.: 001.42 ISL