1. R. Champagne, 1979 . Personal communication. 18710 SW 288th St., Homestead, FL.
2. YAM (Dioscorea spp.) FLOUR FORTIFICATION WITH SOY FLOUR
3. D.G. Coursey, B. Nestel, and R. MacIntyre, 1973 . Cassava as food: toxicity and technology . In "Chronic Cassava Toxicity," p.27 . Proceedings of an interdisciplinary workshop, London, January 29-30, 1973. International Development Research Center Monogram IDRC-010e.
4. FAO., 1977 . "Production Yearbook ," Vol. 31 , P. 114 . FAO Statistics Series 15. Food and Agriculture Organization of the United Nations, Rome.