Syaichurrozi, I., Ibrahim, A. F., Tsaqif, F. F., Satria, M. A., Fachriza, M. D., Setiadi, F. and Rahmayetty (2026) “Optimization of H2O2/COD and Fe3+/H2O2 Ratios in Combined Electrocoagulation-Fenton System for Petrochemical Wastewater Treatment”, CHEMICA: Jurnal Teknik Kimia, 13(2), pp. 88–103. doi: 10.26555/chemica.v13i2.620.