1. University of Dian Nuswantoro,Department of Informatics Engineering,Semarang,Indonesia
2. University of Dian Nuswantoro,Study Program in Informatics Engineering,Semarang,Indonesia
3. Northern Technical University,Department Computer Science,Semarang,Indonesia
4. Northern Technical University,Department of Computer Engineering Technology,Mosul,Iraq
5. National University of Science and Technology,Department of Computer Sciece,DhiQar,Iraq