1. Dept. Of Architecture & Environmental Planning, College of Engineering & Petroleum, Hadhramout University, Mukalla, Yemen
2. Dept. Of Engineering Management, Faculty of Engineering, Kalhat, Koura University of Balamand, Koura, Lebanon
3. Structural Engineering Department, Faculty of Engineering, Cairo University, Giza, Egypt
4. Dept. Of Architecture and Building Science, College of Architecture and Planning King Saud University, Riyadh, Saudi Arabia