Tamboliya, T. S., C. A. Patel, and A. S. Patel. “Nutritional Evaluation of Cowpea Varieties”. The Indian Journal of Nutrition and Dietetics, vol. 12, no. 11, Nov. 1975, pp. 366-71, https://www.informaticsjournals.com/index.php/ijnd/article/view/11441.