ISMAIL, N. F. A Comparative Study of Double Layers Al2O3/Al2O3 and Al2O3/SiO2 Prepared by Microwave and Natural Drying. International Journal of Integrated Engineering, [S. l.], v. 4, n. 1, 2012. Disponível em: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/129. Acesso em: 26 jun. 2022.