Arda, Arda Arya Pratama. “DESIGN AND CONSTRUCTION OF AUTOMATIC COFFEE ROASTING MACHINE CAPACITY 5 KG: RANCANG BANGUN RANGKA MESIN ROASTING KOPI OTOMATIS KAPASITAS 5 KG”. Jurnal Teknik Mesin 1, no. 2 (November 15, 2022): 99–107. Accessed November 24, 2024. http://jurnal.polinema.ac.id/index.php/j-meeg/article/view/464.