@book{157189,
	author = {Munshi, Md. Nasir Uddin.},
	title = {Marketing of information products and services : },
	publisher = {University of Dhaka,},
	year = {2003.},
	address = {Dhaka :},
	note = {Thesis (Ph.D) --  dept of information science and library management, University of Dhaka year:2003.

}
}