1. UIN Sunan Gunung Djati,Department of Physics,Bandung,Indonesia
2. UIN Sunan Gunung Djati,Department of Informatics,Bandung,Indonesia
3. UIN Sunan Gunung Djati,Department of Electrical Engineering,Bandung,Indonesia
4. UIN Sunan Gunung Djati,Department of English Language and Literature,Bandung,Indonesia