Dwiartomo, Bolo, Yoseph Andriyanto, Wahyudi Purnomo, and Ayi Ruswandi. 2022. “Perancangan Blade Dan Pengembangan Prototipe Tangensial Drum Mesin Roasting Kopi”. Jurnal Rekayasa Mesin 17 (1):1-14. https://doi.org/10.32497/jrm.v17i1.2798.