OPTIMIZING PALM OIL MILL EFFLUENT (POME) DECOLOURISATION: ENHANCED EFFICIENCY WITH TREATED COAL BOTTOM ASH. International journal of physical sciences, [S. l.], v. 4, n. 01, p. 07–11, 2024. Disponível em: https://www.academicpublishers.org/journals/index.php/ijps/article/view/231.. Acesso em: 9 oct. 2025.