Twomlow, S.J.; Riches, C.R.; O’Neill, D.; Brookes, P.; Ellis-Jones, J. Sustainable dryland farming in sub-Saharan Africa. Annals of Arid Zone (1999) 38 (2) 93-136.
Sustainable dryland smallholder farming in sub-Saharan Africa.
1 January 1999
Department for International Development
Climate and Environment
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