1. Universitas Brawijaya,Electrical Engineering Department,Malang,Indonesia
2. Technical University of Cluj-Napoca,Electrical Engineering Faculty,Cluj-Napoca,Romania
3. School of Electrical Engineering and Informatics, Bandung Institute of Technology,Bandung,Indonesia
4. PT Eleska IATKI, Ikatan Ahli Ketenagalistrikan Indonesia,Bandung,Indonesia