Muhammad Syafiq Reduan Nor Lizam (2024) “Penghasilan Biogas: Proses Fermentasi Anaerobik Najis Lembu”, Multidisciplinary Applied Research and Innovation, 5(3), pp. 192–197. Available at: https://periodical.uthm.edu.my/index.php/mari/article/view/13857 (Accessed: 15 August 2026).