APA
Kassam A. e. a., . (1992). Agro-ecological land resources assessment for agricultural development planning: A case study of Kenya. Resource data base and land productivity. Rome: FAO.
Chicago
Kassam A.H et al, . 1992. Agro-ecological land resources assessment for agricultural development planning: A case study of Kenya. Resource data base and land productivity. Rome: FAO.
Harvard
Kassam A. e. a., . (1992). Agro-ecological land resources assessment for agricultural development planning: A case study of Kenya. Resource data base and land productivity. Rome: FAO.
MLA
Kassam A.H et al, . Agro-ecological land resources assessment for agricultural development planning: A case study of Kenya. Resource data base and land productivity. Rome: FAO. 1992.