1. Department of Civil Engineering, Faculty of Engineering, Soran University, Soran, Kurdistan Region, Iraq
2. Road Construction Department, Erbil Technology College, Erbil Polytechnic University, Erbil, Kurdistan Region, Iraq
3. Civil Engineering Department, Tishk International University, Kurdistan Region, Iraq
4. Civil Engineering Department, College of Engineering, University of Sulaimani, Kurdistan Region, Iraq
5. The American University of Iraq, Sulaimani (AUIS), Sulaimani, Kurdistan Region, Iraq