Food and Agriculture Organization. Eastern African Sub-Committee for Soil Correlation and Land Evaluation. Meeting
Fifth Meeting of the Eastern African Sub-Committee for Soil Correlation and Land Evaluation, Wad Medani, Sudan, 5-10 December 1983
First meeting of the Eastern African Sub-Committee for Soil Correlation and Land Evaluation
Second meeting of the Eastern African Sub-Committee for Soil Correlation and Land Evaluation, Addis Ababa, Ethiopia, 25-30 October 1976