Yousif, Nashwan, and Hussain Flayeh. “Removal of Nickel Ions from Synthetic Wastewater by Bulk Liquid Membrane”. Association of Arab Universities Journal of Engineering Sciences 28, no. 1 (March 31, 2021): 15-27. Accessed December 21, 2024. https://jaaru.org/index.php/auisseng/article/view/490.