M. Nicole, H. Y. Fei, and I. P. Claver, “Characterization of Ready-to-Eat Composite Porridge Flours Made by Soy-Maize-Sorghum-Wheat Extrusion Cooking Process”, Pak. J. Nutr., vol. 9, no. 2, pp. 171–178, Jan. 2010, doi: 10.3923/pjn.2010.171.178.