“OPTIMIZING PALM OIL MILL EFFLUENT (POME) DECOLOURISATION: ENHANCED EFFICIENCY WITH TREATED COAL BOTTOM ASH”. International journal of physical sciences 4, no. 01 (January 8, 2024): 07–11. Accessed October 9, 2025. https://www.academicpublishers.org/journals/index.php/ijps/article/view/231.