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Subsistence farming in the dry Savanna of Western Sudan
Gibbon, David P., (1977)
Problems of agricultural development in the Sudan : (selected papers of a seminar)
Heinritz, Günter, (1982)
Producer incentives policy and structural rigidities in traditional agriculture of Sudan
Siddīq, Al-Fātiḥ ʿAlī, (1990)
The agricultural trade of the Central and Eastern European countries
Kiss, Judit, (1995)
Who pays the piper? : financial resource mobilization for transformation and development
Kiss, Judit, (1994)
The poor rich : an inquiry into the dialectics of capital abundancy and underdevelopment in the Middle East
Láng, László, (1981)