1. Andreas BY. Controlling post harvest loss of yam (Dioscorea spp) by Application of Gibberlic acid (GA). London: Macmillan Publishers limited; 2003:68‒72.
2. AOAC Official Methods of Analysis. 30th ed. Washington DC: Association of Official Analytical Chemists; 2000:19‒36.
3. Brunschwetier J. Structure and Texture of yam (Dioscorea spp) and processed yam product. London: Macmillan Publishers limited; 2004:112‒115.
4. Coursey DG. Yams: Tropical Agricultural Series. London: Longman Group Ltd; 1967:256‒257.
5. Physiochemical characteristics of Yam Starches;Emiola;Journal of Food Biochemistry,1981