“Briket Arang Berbahan Campuran Ampas Daging Buah Kelapa dan Tongkol Jagung” (2017) Machine : Jurnal Teknik Mesin, 3(1), pp. 30–35. Available at: https://journal.ubb.ac.id/index.php/machine/article/view/474 (Accessed: 21 May 2026).