“Comparative Study Between Nanofiltration and Reverse Osmosis Membranes for the Removal of Heavy Metals from Electroplating Wastewater”. Journal of Engineering 23, no. 4 (March 31, 2017): 1–21. Accessed May 2, 2024. https://joe.uobaghdad.edu.iq/index.php/main/article/view/48.