Van Der Tak Herman G. Reappraisal of a road project in Iran Van Der Tak Herman G.; Weille Jan de - Washington International Bank for Reconstruction and Development U. S. A. 1969 - xiv,127p. cm. - World Bank Staff, Occasional Papers . Source: General Book Subjects--Topical Terms: Road Transport Economics Dewey Class. No.: X411.45,N6, K9