1. Department of Agro-industrial Technology, Faculty of Agricultural Technology, Universitas Brawijaya, Malang, East Java, Indonesia
2. Department of Agriculture Technology, Politeknik Negeri Jember, Jember, East Java, Indonesia
3. Department of Mechanical Engineering, Indonesian Army Polytechnic, Batu, East Java, Indonesia, Malang, East Java, Indonesia
4. Department of Agro-industrial Technology, Universitas Nahdlatul Ulama Indonesia, Jakarta, Indonesia