1. Universiti Teknologi PETRONAS Perak Darul Ridzuan,Department of EEE,Malaysia
2. Rajshahi University of Engg.&Tech,Department of EEE,Rajshahi,Bangladesh,6204
3. Sri Sai Ram Engineering College,Chennai,Tamil Nadu,India,600 044
4. Swinburne University of Technology,Faculty of Engg,Kuching,Sarawak,Malaysia,93350