ADSORPTION OF CATIONIC DYE ONTO ACTIVATED CARBON FROM ARECA HUSK FIBRE AND OPTIMIZATION OF OPERATING CONDITIONS USING DESIGN OF EXPERIMENT. IJARB. 2015;3(1):6-24. Accessed July 1, 2025. https://iaeme-library.com/index.php/IJARB/article/view/IJARB_03_01_002