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Seventh meeting of the East and Southern African sub-committee for soil correlation and land evaluation : Gaborne, Botswana, 30 March-8 April 1987 / [contrib. by R. Dudal...et al.].
- Food and Agriculture Organization of the United Nations,
- 1988.
- Rome :
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Improving the flow of seed from the breeder to the farmer : proceedings... / Food and agriculture organization of the United nations.
- FAO,
- 1988.
- Rome :
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Regional decentralization for agricultural development planning in the Near East and North Africa / Food and agriculture organization of the United nations.
- FAO,
- 1988.
- Rome :