OKPASHI, V. E.; UROKO, R. I.; UCHENNA, N. O.; PAULINUS, N. C.; OGBONNAYA, P. Heavy Metals Concentration in Greens Sold in Umuahia-market Nigeria: Assessment of Risk to Human Health. EQA - International Journal of Environmental Quality, [S. l.], v. 34, p. 66–77, 2019. DOI: 10.6092/issn.2281-4485/8741. Disponível em: https://eqa.unibo.it/article/view/8741. Acesso em: 1 may. 2024.