KUNARTO; MUHIDA, Riza; RIZA, Muhammad; SURYA, Indra; PRATOWO, Bambang; MUHAMAD, Zein; MULYANA; ERYANDO, Eko. Pengembangan alat sangrai biji kopi sistem rotary drum berbasis gas burner untuk peningkatan efisiensi produksi. KOLECER Scientific Journal of Mechanical Engineering , [S. l.], v. 2, n. 1, p. 37–42, 2026. DOI: 10.23969/ksjme.v2i1.44257. Disponível em: https://journal.unpas.ac.id/index.php/kolecer/article/view/44257. Acesso em: 7 apr. 2026.