“TREATMENT OF LOW TURBIDITY WATER USING POLY-ALUMINIUM CHLORIDE (PAC) AND RECYCLED SLUDGE: CASE STUDY CHINHOYI”, zjst, vol. 10, no. 1, pp. 101–108, Jul. 2015, Accessed: Aug. 25, 2026. Available: https://journals.nust.ac.zw/index.php/zjst/article/view/66