AHMAD, Naveed et al.
Assessment of heavy metals in vegetables, sewage and soil grown near Babu Sabu Toll Plaza of Lahore, Pakistan.
Pakistan Journal of Analytical & Environmental Chemistry, [S.l.], v. 20, n. 1, p. 82-87, june 2019.
Available at: <https://pjaec.pk/index.php/pjaec/article/view/409>. Date accessed: 14 june 2021.