ali, Rehab Abd Al Hussin, Hashim Ali Yusr, and soudad S. bassam. “The Magnetic Switch Manufacturing by Using Ferrofluid and Ferrofluid Doped Copper Nanoparticles”. Iraqi Journal of Physics 18, no. 46 (September 1, 2020): 39–45. Accessed November 22, 2024. https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/511.