Ali, Israa, and Ayad Faisal. “Remediation of Simulated Landfill’s Leachate Using Waterworks Sludge and Other Conventional Materials”. Association of Arab Universities Journal of Engineering Sciences 26, no. 3 (August 31, 2019): 45-56. Accessed November 25, 2020. https://jaaru.org/index.php/auisseng/article/view/326.