Ahmad, F. ., S. . Hafeez, F. . Anjum, and T. Munawar. “Comparative Assessment of Heavy Metals in Water, Sediment and Adjacent Soil of Hudiara Drain: Heavy Metals Analysis”. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, vol. 56, no. 1, Mar. 2019, pp. 67–75, http://ppaspk.org/index.php/PPAS-B/article/view/187.