ali RAAH, Yusr HA, bassam soudad S. The magnetic switch manufacturing by using ferrofluid and ferrofluid doped copper nanoparticles. IJP [Internet]. 2020 Sep. 1 [cited 2024 Nov. 25];18(46):39-45. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/511