1. Politeknik Harapan Bersama,Department of Computer Engineering,Tegal,Indonesia
2. Universitas Harapan Bangsa,Department of Informatics,Purwokerto,Indonesia
3. Universitas Ahmad Dahlan,Department of Electrical Engineering,Yogyakarta,Indonesia
4. Universitas Muhammadiyah Yogyakarta,Department of Engineer Professional Program,Yogyakarta,Indonesia