1. Universiti Tun Hussein Onn Malaysia,Dept. of Electrical Engineering,Batu Pahat,Malaysia
2. Al-Iraqia University,Dept. of Electrical Engineering,Baghdad,Iraq
3. Universitas Mercu Buana,Dept. of Electrical Engineering,Jakarta,Indonesia
4. Universitas Riau,Dept. of Electrical Engineering,Pekan Baru,Indonesia