AZEEM, M.; RASHID, A. Determination of Heavy Metals in Vegetables Grown in Sewage Irrigated Fields of Shakargarh, Pakistan. International Journal of Alternative Fuels and Energy, [S. l.], v. 3, n. 2, p. 36–40, 2019. Disponível em: https://psmjournals.org/index.php/ijafe/article/view/367. Acesso em: 20 feb. 2026.