Essentials of social research / Salahuddin M. Aminuzzaman Aminuzzaman, Salahuddin M. Dan, Amy. Dietz, Thomas. ebrary, Inc. Social sciences Research. Action research. 300.72 AME Includes bibliographical references (p. [211]-218) and index. Electronic reproduction. Palo Alto, Calif. : ebrary, 2009. Available via World Wide Web. Access may be limited to ebrary affiliated libraries. Dhaka : Osder Publications, 2011. 2009. 2011. 2008 Text vii, 222 p. : http://www.columbia.edu/cgi-bin/cul/resolve?clio7608651 eng