1. Faculty of Mechanical Engineering, Department of AET, Discipline of Descriptive Geometry and Engineering Graphics; Technical University of Cluj-Napoca; Cluj Romania
2. Faculty of Technical Sciences; University of Warmia and Mazury in Olsztyn; Olsztyn Poland
3. Faculty of Mathematics and Computer Science; University of Warmia and Mazury in Olsztyn; Olsztyn Poland
4. Young Researchers and Elite Club, Kermanshah Branch; Islamic Azad University; Kermanshah Iran
5. Department of physics; Malayer University; Malayer Iran
6. Plasma Physics Research Center, Science and Research Branch; Islamic Azad University; Tehran Iran