Edem, Christopher A. Dosunmu, Miranda I., and Bassey Francesca I. “Determination of Proximate Composition, Ascorbic Acid and Heavy Metal Content of African Walnut (Tetracarpidium Conophorum)”. Pakistan Journal of Nutrition 8, no. 3 (February 15, 2009): 225–226. Accessed August 25, 2025. https://pjnonline.org/pjn/article/view/793.