1. The Sweet Potato Crop in Uganda
2. Anon., 1993 . Uganda Agriculture: a World Bank Country Study. The International Bank for Reconstruction and Development/The World Bank. 208 pp.
3. Anon., 1996 . FAO 1995. Production Yearbook 1995FAO Statistics Series: Rome.
4. B. Bashaasha, R. O. M. Mwanga, P. Ocitti, C. Obwoya, and P. T. Ewell, 1995 .Sweetpotato in the farming and food systems of Uganda: a farm survey report. CIP, Sub-Saharan Africa Region, Nairobi, Kenya/National Agricultural Research Organization, Kampala, Uganda. 63 pp.
5. A. A. Brunt, K. Crabtree, M. J. Dallwitz, A. J. Gibbs, and L. Watson, 1996 . Viruses of Plants. Descriptions and lists from the VIDE Database . CAB International. 1484 pp.