Orisakwe, O. E., C. E. Diaka, G. I. Amilo, O. J. Afonne, and C. S. Ufearo. “Sodium and Potassium Levels and Label Review Studies on Nigeria Spices”. The Indian Journal of Nutrition and Dietetics, vol. 37, no. 5, May 2000, pp. 146-50, https://www.informaticsjournals.com/index.php/ijnd/article/view/6979.