1. UIN Sunan Gunung Djati Bandung,Department of Electrical Engineering,Bandung,Indonesia
2. UIN Sunan Gunung Djati Bandung,Department of English and Literature,Bandung,Indonesia
3. UIN Sunan Gunung Djati Bandung,Faculty of Ushuludin,Bandung,Indonesia
4. Universitas Sebelas Maret,Department of Electrical Engineering,Surakarta,Indonesia