Ilker Ugulu, Zafar Iqbal Khan, Sidrah Rehman, Kafeel Ahmad, Mudasra Munir, and Humayun Bashir , trans. 2020. “Effect of Wastewater Irrigation on Trace Metal Accumulation in Spinach (Spinacia Oleracea L.) AndHuman Health Risk”. Pakistan Journal of Analytical & Environmental Chemistry 21 (1): 92 – 101. https://doi.org/10.21743/pjaec/2020.06.11.