1. Department of Mechanical Engineering, Universitas Muhammadiyah Surakarta, Surakarta, Indonesia
2. Department of Mechanical Engineering, Universitas Negeri Yogyakarta, Yogyakarta, Indonesia
3. Department of Industrial Technology, Vocational School, Universitas Diponegoro, Semarang, Indonesia
4. Centre for Advanced Composite Materials (CACM), Universiti Teknologi Malaysia, Johor Bahru, Malaysia
5. Departemen of Biology FMIPA, Universitas Padjadjaran, Bandung, Indonesia