1. Northern Technical University,Unit of Renewable Energy,Kirkuk,Iraq
2. Aksaray University,Technical Sciences Vocational High School,Department of Electrical and Energy,Aksaray,Turkey
3. Albayan university,technical college of engineering,department of medical instruments techniques engineering
4. Al-Kitab University,Technical Engineering College,Department of Medical Instrumentation Techniques Engineering,Altun Kupri,Kirkuk,Iraq