The magnetic switch manufacturing by using ferrofluid and ferrofluid doped copper nanoparticles. Iraqi Journal of Physics, [S. l.], v. 18, n. 46, p. 39–45, 2020. DOI: 10.30723/ijp.v18i46.511. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/511.. Acesso em: 29 apr. 2024.