F. T. Otunola, B. I. O. Ade-Omowaye, and A. S. Akanji, “QUALITY EVALUATION OF HARD DOUGH BISCUIT PRODUCED FROM FERMENTED BAMBARA GROUNDNUT TEMPEH AND WHEAT FLOUR MIXES”, laujet, vol. 4, no. 1, pp. 21–26, Feb. 2007.