1. Official Methods of Analysis;Association of Official Analytical Chemists,1970
2. Coursey, D. G., 1968. The edible aroids. Wld. Crops, 20(4).
3. Tuber meals as carbohydrate sources in broiler rations;Gerpacio;Proc. Conf. Animal Feeds of Tropical and Subtropical Origin. London,1974
4. Studies of the metabolizable energy of grain products for chickens;Hill;Poultry Sci.,1960
5. The chemical composition of some tropical food plants;Johnson;IV. Manioc. Trop. Sci.,1965