1. Graduate School of Natural and Applied Sciences; Sakarya University, Esentepe Campus; Serdivan/Sakarya 54187 Turkey
2. Graduate School of Natural and Applied Sciences; Suleyman Demirel University; Cunur/Isparta Turkey
3. Faculty of Technology, Department of Electrical-Electronic Engineering; Sakarya University, Esentepe Campus; Serdivan/Sakarya 54187 Turkey