@book{157810,
	author = {Zahurul Huq, A. T. M.},
	title = {Patterns of public transport investment efficiency and factor productivity in the Railway sector or Bangladesh / },
	publisher = {University of Dhaka,},
	year = {1982.},
	address = {Dhaka : },
	note = {Thesis(PhD)--Economics Department, University of Dhaka,1982.}
}