Amru Hamdi Fu’ad, “Characterization of Bottom Ash from the Combustion of Palm Oil Empty Fruit Bunches (EFB)”, IJIE, vol. 17, no. 8, pp. 272–284, Dec. 2025, Accessed: Mar. 11, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/24002