Asharani, Regita, Agung Sugiharto, Siti Khuzaimah, and Nurhadi Estiyantara. 2024. “Comparison the Effectiveness of Silica Sand and Resin Filter Media on Reducing Phosphate Levels of Wastewater of PKU Muhammadiyah Hospital Surakarta”. Jurnal Teknologi Bahan Alam 3 (1). https://doi.org/10.23917/jtba.v3i1.3710.