Marsyea, Rihlah Fahiranti, et al. “Integrated EM4-Based Anaerobic and Aerobic Wastewater Treatment for Sustainable Tofu Industry Effluent Management”. Waste Handling and Environmental Monitoring, vol. 2, no. 1, Feb. 2025, pp. 71-90, doi:10.61511/whem.v2i1.2025.1851.