Rachmawati, Ahmad Misbakhus Sururi, Idah Diana Wati, Ani Sa’adah. Utilization of Biomass Extraction Waste for Filter Cartridge Production to Improve Water Quality Based on Total Alkalinity and Total Hardness Parameters. Proceeding Int. Jt. Conf. UNESA [Internet]. 2025 Nov. 12 [cited 2025 Nov. 18];3(1). Available from: https://proceeding.unesa.ac.id/index.php/pijcu/article/view/7095