Authors
Aris Sugiharto
Department of Computer Science/Informatics, Universitas Diponegoro, Semarang, Indonesia
Agus Harjoko
Department of Computer Science and Electronics, Universitas Gadjah Mada, Yogyakarta, Indonesia
Suharto Suharto
Department of Computer Science and Electronics, Universitas Gadjah Mada, Yogyakarta, Indonesia