1. Universitas Muhammadiyah Yogyakarta,Faculty of Engineering,Department of Electrical Engineering,Yogyakarta,Indonesia
2. Universitas Muhammadiyah Yogyakarta,Faculty of Engineering,Department of Information Technology,Yogyakarta,Indonesia
3. Universitas Teknologi Yogyakarta,Faculty of Science and Technology,Department of Informatics,Yogyakarta,Indonesia