1. Universiti Teknologi MARA, Cawangan Pulau Pinang,Centre for Electrical Engineering Studies,Pulau Pinang,Malaysia,13500
2. Universitas Negeri Semarang Kampus UNNES,Jurusan Teknik Elektro, Fakultas Teknik,Jawa Tengah,Indonesia,50229
3. Universiti Teknologi MARA, Cawangan Pulau Pinang,EMZI-UiTM Nanoparticles Colloids & Interface Industrial Research Laboratory (NANO-CORE) School of Chemical Engineering, College of Engineering,Pulau Pinang,Malaysia,13500