Suryonegoro, S. A., Wulandari, D., Ganda, A. N. F., & Abdi, F. I. (2023). Rancang Bangun Mesin Roasting (Penyangrai) Kopi Semi Automatic. Jurnal Rekayasa Mesin, 8(02), 150–155. https://doi.org/10.26740/jrm.v8i02.55455