AZZHAR, H. B.; Mohd Faizal Tukimon; Amirnordin, S. H.; Md Asrul Nasid Masrom; Mohammad Faizal Jabbar. Characterization and Analysis of Bottom Ash Derived from The Combustion of Empty Fruit Bunch (EFB) for Potential Fertilizer. rpmme 2026, 7 (1), 396-407.