Democratic Republic of the Sudan, National Commission for Planning, Dept. of Statistics, Research & Trainning [i.e. Training] DivisionDemocratic Republic of the Sudan, National Commission for Planning, Dept. of Statistics, Research & Trainning [i.e. Training] Division[1974?]-
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Author Heading...ining Division Sudan. Wizārat al-Takhṭīṭ. Research and Training Division