“Penentuan Dosis Koagulan Terbaik pada Proses Koagulasi Water Treatment Plant Industri AMDK Menggunakan Pendekatan Six Sigma” (2026) Jurnal Serambi Engineering, 11(3). Available at: https://jse.serambimekkah.id/index.php/jse/article/view/1891 (Accessed: 7 July 2026).