“Optimization of Rotary Algae Biofilm Reactor (RABR) Using Ulva Sp. For Batik Liquid Waste Management : Effects of Algal Suspension Concentration, CO2 Tablet Mass, and Rotation Speed”. 2025. CHEMICA: Jurnal Teknik Kimia 12 (2): 115-30. https://doi.org/10.26555/chemica.v12i2.369.