High Efficient Photocatalytic Degradation of Methyl Orange Dye in an Aqueous Solution by CoFe2O4-SiO2-TiO2 Magnetic Catalyst. - Hariani, Poedji Loekitowati; Said, Muhammad; Salni; Aprianti, Nabila; Rohana Naibaho, Yohanna Asina Lasma (Journal of Ecological Engineering, 2022)