1. Universitas Bandar Lampung,Faculty of Computer Science,Lampung,Indonesia
2. Universitas Bandar Lampung,Faculty of Economic and Bussiness,Lampung,Indonesia
3. Universitas Amikom Yogyakarta,Faculty of Computer Science,Sleman,Indonesia
4. Universitas Amikom Purwokerto,Faculty of Computer Science,Purwokerto,Indonesia
5. University of Anbar,Faculty of Computer Science,Ramadi,Iraq