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Seventh Meeting of the East and Southern African Sub-Committee for Soil Correlation and Land Evaluation, Gaborone, Botswana, 30 March-8 April, 1987
Food and Agriculture Organization of the United Nations. Eastern African Sub-Committee for Soil Correlation and Land Evaluation
出版Food & Agriculture Org., 1988-01-01
主題Technology & Engineering / Agriculture / Agronomy / GeneralBusiness & Economics / Development / Economic Development
ISBN92510267509789251026755
URLhttp://books.google.com.hk/books?id=55vHSMm0gjsC&hl=&source=gbs_api
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