“Heavy Metal Concentration of Okra (Abelmoschus Esculentus) Grown on Dumpsite Soil in Benin City, Nigeria”. American Journal of Food Science and Technology 2, no. 2 (December 4, 2023): 65–73. Accessed June 3, 2026. https://e-pallipublishers.com/index.php/ajfst/article/view/2233.