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Thesis or Dissertation
"Enviromental mining impact on soils around the abandoned Kgwakgwe Manganese mine, Botswana.." Doctor of Philosophy in Soil Mineralogy, 2004.
Report
Projection of Future Trade of Major Agricultural Products in Mainland China: 1996-2005. : Department of Agricultural Economics • The Ohio State University , 1997.
Thesis or Dissertation
"Management of Natural Stands of Acacia seyal Del. variety seyal (Brenan) for Production of Gum Talha, South Kordofan, Sudan." Doctor rerum silvaticarum, 2011.
showing 331-333 of 333