CHINDA, B.; YUNUS, M.M. Investigation on Pesticide Residue Levels and Heavy Metal Concentrations in Zea-Mays and Oryza Sativa Grains in Biu Area. International Journal of Science for Global Sustainability, [S. l.], v. 5, n. 1, p. 7, 2019. Disponível em: https://www.fugus-ijsgs.com.ng/index.php/ijsgs/article/view/157. Acesso em: 4 oct. 2025.