C. Echendu, I. Obizoba, and J. Anyika, “Effects of Heat Treatments on Chemical Composition of Groundbean (Kerstingiella geocarpa harm)”, Pak. J. Nutr., vol. 8, no. 12, pp. 1877–1883, Nov. 2009, doi: 10.3923/pjn.2009.1877.1883.