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Idara, Aksa (2021) Rancang Bangun Mesin Roasting Biji Kopi Otomatis dengan Sistem Pemutar Tabung Horizontal Dilengkapi Termometer (Design and Build Automatic Coffee Bean Roasting Machine with Horizontal Tube Rotating System Equipped with Thermometer). Diploma thesis, Universitas 17 Agustus 1945 Surabaya.