Ugulu, Ilker, 		Khan, Zafar, 		Rehman, Sidrah, 		Ahmad, Kafeel, 		Munir, Mudasra, AND 		Bashir, Humayun.
"Effect of Wastewater Irrigation on Trace Metal Accumulation in Spinach (Spinacia oleracea L.) and Human Health Risk" <em>Pakistan Journal of Analytical &amp; Environmental Chemistry</em> [Online], Volume 21 Number 1 (19 June 2020)