Rizkya, Maulidya Hani, and Naniek Ratni Juliardi. “PENURUNAN TOTAL SUSPENDED SOLID DAN KEKERUHAN AIR BAKU MENGGUNAKAN PIPA CIRCULAR DAN GRAVEL BED FLOCCULATOR DENGAN KOAGULAN POLY ALUMINIUM CHLORIDE”. Envirous 1, no. 1 (August 29, 2023): 16–21. Accessed May 5, 2024. https://envirous.upnjatim.ac.id/index.php/envirous/article/view/140.