Muhammad Syafiq Reduan Nor Lizam, Siti Nur Aqilah Jummary, Salman Syimir Husain, Ghazali Kadis, and Noor Azizah Sidek. 2024. “Penghasilan Biogas: Proses Fermentasi Anaerobik Najis Lembu”. Multidisciplinary Applied Research and Innovation 5 (3): 192-97. https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/13857.