@book{2437,
	author = {Psacharopoulos, George  [et al.]. and Hinchliffe, Keith},
	title = {Manpower Issues in Educational Investments :},
	publisher = {World Bank,},
	year = {1983.},
	series = {World Bank staff working papers ;},
	address = {Washington, D.C., U.S.A. :}
}