D. N. A. J. Jasim, W. Zghair, M. Muhammed, A. Dakhil, and Kamaludin Mohamad Yusof, “Removal of Nickel Ion From synthesis wastewater Using Nanoparticles Under Ultrasonic Waves”, WJES, vol. 14, no. 2, pp. 166–183, Jun. 2026, doi: 10.31185/wjes.Vol14.Iss2.827.