Didin S.Winatapura, Sari H. Dewi, and Adel Fisli. 2015. “PHOTO CATALITIC ACTIVITY OF Fe3O4 SiO2 TiO2 COMPOSITE BY MECHANO CHEMICALPREPARATION”. Jurnal Sains Materi Indonesia 16 (2):54-58. https://doi.org/10.17146/jsmi.2015.16.2.4210.