Ghali Attia H. A Comparison Between Cooking Tea-Waste and Commercial Activated Carbon for Removal of Chromium from Artificial Wastewater. J. eng. sustain. dev. 2012;16(1):307-325. Accessed December 12, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1181