Ismi Rajiani (Universitas Muhammadiyah Gresik)

Mariusz Urbanski (Czestochowa University of Technology, Poland)

Nur Fauziyah (Universitas Muhammadiyah Gresik)

Beata Slusarczyk (Czestochowa University of Technology, Poland)

Ahmad Rozelan Yunus (Universiti Teknikal Malaysia, Melaka)

Daniel Francois Meyer (North-West University, South Africa)

Hana Stverkova (VSB-Technical University of Ostrava, Czech Republic)

Judit Olah (University of Debrecen, Hungary)

Yudhi Arifani (Universitas Muhammadiyah Gresik)

Sukaris (Universitas Muhammadiyah Gresik)

Andi Rahmad Rahim (Universitas Muhammadiyah Gresik)

Prattana Sirsuk (Rajamangala University of Technology Krungthep Thailand)