Guedes , Ana, Aline Silva, Valdicleide Mello, Pontes4 Felipe, Salete Alves, and Tirso Carvajal. 2016. “Synthesis of Magnetic Nanoparticles by Microwave for Aplication in Lubricantion”. ITEGAM-JETIA 2 (5). https://itegam-jetia.org/journal/index.php/jetia/article/view/180.