@book{42688,
	title = {Labour force estimate of informal economic activities and their socio- economic study :  a case study of Narayangonj municipal area /},
	publisher = {University of Dhaka,},
	year = {2011.},
	address = {Dhaka :},
	note = {Thesis ( M.S.)--Department of Geography & Environment, University of Dhaka.}
}