Root crops for food security in Africa :
Root crops for food security in Africa : proceedings of the fifth triennial Symposium of the International Society for Tropical Root Crops--Arfica Branch, held in Kampala, Uganda, 22-28 November 1992 /
edited by M.O. Akoroda.
- Ibadan, Nigeria : International Society for Tropical Roots Crops, African Branch, c1994.
- 452 pages maps, ill. ; 25 cm.