Photocatalytic Degradation of Paraquat Dichloride using TiO2-Fe Nano Powder under Visible and Sunlight Irradiation. Valensi [Internet]. 2020 May 29 [cited 2026 Mar. 16];6(1):55-61. Available from: https://journal.uinjkt.ac.id/valensi/article/view/13625