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Figures based on Statistical Abstract, 1965, Central Statistical Office, Addis Ababa.
Figures based on Statistical Abstract, 1965, Central Statistical Office, Addis Ababa.
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Entringer, H., Jaeger, J.B. Tasks for agricultural progress. Intereconomics 3, 113–116 (1968). https://doi.org/10.1007/BF02930240
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DOI: https://doi.org/10.1007/BF02930240