An introduction to research methods :
Islam, M Nurul. 
An introduction to research methods : a handbook for business and health research / by M Nurul Islam. - 1st ed. - Dhaka : Mullick & brothers, 2008 - x, 570 p. : ill. 21 cm.
Includes bibliographical references
Research.
507/.2
                        An introduction to research methods : a handbook for business and health research / by M Nurul Islam. - 1st ed. - Dhaka : Mullick & brothers, 2008 - x, 570 p. : ill. 21 cm.
Includes bibliographical references
Research.
507/.2
