1. Department of Mechanical Engineering, Universitas Trunojoyo Madura, Bangkalan, East Java, Indonesia
2. Department of Marine Science, Universitas Trunojoyo Madura, Bangkalan, East Java, Indonesia
3. Directorate of marine services, Ministry of Marine Affairs and Fisheries, Jakarta, Indonesia
4. Department of Chemical Engineering, Universitas Indonesia, Depok, West Java, Indonesia