@book{31581,
	author = {Ashraf, Khalid.},
	title = {Some land problems in tribal areas of West Pakistan :},
	publisher = {Board of Economic Enquiry, North-West Frontier, Peshawar University,},
	year = {c1963.},
	series = {University of Peshawar. Board of Economic Enquiry. Publication},
	address = {Peshawar :}
}