1. Faculty of Electronics and Computer Technology and Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Melaka, Malaysia
2. Institute of Nanoscience and Nanotechnology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
3. Engineering Faculty, Ataturk University, Erzurum, Turkey
4. Faculty of Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
5. Faculty of Electrical Technology and Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Melaka, Malaysia