A Road investment model for the Sudan
El Shaygi, Gaafar Hassan
A Road investment model for the Sudan [Texte imprimé] / Gaafar Hassan El Shaygi - Ann Arbor: University Microfilms International, 1987 - 1 vol. (XII-238 p.) ; 22 cm
Reproduction de : Th. : Sci. éco. : Knoscville, the University of Tennesse : 1983
Bibliogr. p. 204-213
388.1140963
A Road investment model for the Sudan [Texte imprimé] / Gaafar Hassan El Shaygi - Ann Arbor: University Microfilms International, 1987 - 1 vol. (XII-238 p.) ; 22 cm
Reproduction de : Th. : Sci. éco. : Knoscville, the University of Tennesse : 1983
Bibliogr. p. 204-213
388.1140963