Irvin, G.W. Roads and redistribution : social costs and benefits of labour-intensive road construction in Iran / G.W. Irvin & B. Nilsson - Geneva : ILO , 1975 - 162p. ; 26 cm. Includes bibliographical references and index. ISBN: <9221011909> Subjects--Topical Terms: Road networksIncome distribution Dewey Class. No.: 338.2 / IRV