Nuzula, Adika, Indang Dewata, Desy Kurniawati, and Jon Effendi. 2026. “Degradation of Methylene Blue by a Photo-Fenton System Based on Copper Ferrite Catalyst and Ascorbic Acid”. Hydrogen: Jurnal Kependidikan Kimia 14 (2). https://doi.org/10.33394/hjkk.v14i2.20202.