G. Oboh and A. A. Akindahunsi, “NATURAL PROTEIN FORTIFICATION OF CASSAVA (MANIHOT ESCULENTA, CRANTZ) PRODUCTS (FLOUR & GARI) USING BAKER’S YEAST SOLID MEDIA FERMENTATION”, Pakistan Journal of Scientific & Industrial Research, vol. 47, no. 2, pp. 118–120, Apr. 2004.