Budi Utomo, R. S., M. A. Muflikhun, and H. Mukhtar Ariyadi. “The Effect of TiO2-SiO2 Nanocomposite As a Filler on the Self-Cleaning Properties of Material”. J-Proteksion: Jurnal Kajian Ilmiah Dan Teknologi Teknik Mesin, vol. 8, no. 2, Feb. 2024, pp. 134-9, doi:10.32528/jp.v8i2.1575.