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Papers / Conference on North South Relations since the Addis Ababa Agreement : 6 - 9 March 1985
(1985)
The Addis Ababa Agreement: ten years after : an assessment
Badal, Raphael K., (1985)
Improvising planned development on the Gezira Plain, Sudan, 1900 - 1980
Ertsen, Maurits W., (2016)
Rajonirovanie Respubliki Sudan v svete sovetskoj teorii °ekonomičeskogo rajonirovanija
Bessonova, A. L., (1969)