NJOKU, P.C.; OHIA, C.C. Spectrophometric Estimation Studies of Mineral Nutrient in Three Cocoyam Cultivars. Pakistan Journal of Nutrition, [S. l.], v. 6, n. 6, p. 616–619, 2007. DOI: 10.3923/pjn.2007.616.619. Disponível em: https://pjnonline.org/pjn/article/view/551. Acesso em: 5 jul. 2025.