Tak, Herman G. van der Reappraisal of a road project in Iran / Herman G. van der Tak and Jan de Weille - Washington : International Bank for Reconstruction and Developmen, 1969 - xiv, 127 p. : ill. ; 23 cm. - World Bank staff occasional papers no. 7 . Subjects--Topical Terms: Roads--Economics aspects--Iran Subjects--Geographic Terms: Iran--Roads--Economics aspects