Ayog JL, Ngui MFT, Leong MC. Turbidity Trends in 20 Water Treatment Plants Across Sabah, Malaysia: Implications for Sustainable Water Resource Management. IJIE. 2025;17(9):366-381. Accessed July 22, 2026. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/19803