Alkurdy, Farouk, and Shahlaa Ebrahim. “Comparison Between Commercial and Synthesized Fe3O4 Nanoparticles for Removal of Heavy Metal Contaminants in Wastewater”. Association of Arab Universities Journal of Engineering Sciences 27, no. 1 (March 31, 2020): 30-43. Accessed September 19, 2020. https://www.jaaru.org/index.php/auisseng/article/view/361.