Guedes , A., A. Silva, V. Mello, Pontes4 F., S. Alves, e T. Carvajal. Synthesis of Magnetic Nanoparticles by Microwave for Aplication in Lubricantion. ITEGAM-JETIA, Vol. 2, nÂș 5, Mar. 2016, https://www.itegam-jetia.org/journal/index.php/jetia/article/view/180.