Hishammuddin, Nuraqilah, Siti Shawalliah Idris, Norazah Abd Rahman, Noor Fitrah Abu Bakar, Siti Norazian Ismail, and Alina Rayahu Mohamed. “Characterization of Sustainable Graphitic Biochar from Food Waste via Microwave Irradiation Technique”. International Journal of Integrated Engineering 17, no. 4 (November 20, 2025): 199–209. Accessed April 9, 2026. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/20374.