Ahmad, Naveed, Akhtar, Muhammad, Ahmed, Rida, Zafar, Ramna, Hussain, Sabir, Ishaqe, Muhammad, AND Naeem, Muhammad. "Assessment of heavy metals in vegetables, sewage and soil grown near Babu Sabu Toll Plaza of Lahore, Pakistan" Pakistan Journal of Analytical & Environmental Chemistry [Online], Volume 20 Number 1 (29 June 2019)