A.Wannas, Fatimah, and Shawket K.Jawad. “Extraction and Determination of Nickel (Ii) Via Cloud Point Method”. International Journal of Engineering and Technology 7, no. 4.36 (December 9, 2018): 725–731. Accessed February 12, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/24231.