1. Abe, M. O.: “Adaptability of Potato Drying to Yam Processing,” J. of Milk Food Technol, 36, 456 (1973).
2. Collins, J. L., and G. A. Falasinnu: “Yam (Dioscorea spp.) Flour Fortification with Soy Flour,” J. of Food Science, 42 (3) 821–823(1977).
3. Coursey, D. G.: “The Role of Yams in West African Food Economics,” World Crops, 17 (2) 74 (1965).
4. Coursey, D. G.: “Yams: An Account of the Nature, Origins, Cultivation and Utilization of the Useful Members of the Dioscore-aceae,” Longmans, Green & Co. (London) (1967).
5. FAO Agriculture Study 93;DG Coursey,1974