Assessment of Heavy Metals in Vegetables, Sewage and Soil, Grown Near Babu Sabu Toll Plaza Lahore, Pakistan. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 20, n. 1, p. 82 – 87, 2019. DOI: 10.21743/pjaec/2019.06.11. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/167. Acesso em: 19 nov. 2025.