1. PMP at General Petroleum Company (GPC), Cairo, Egypt
2. Department of Construction and Utilities, Faculty of Engineering, Zagazig University, Zagazig, Egypt
3. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong SAR, China
4. Department of Civil Engineering, Faculty of Engineering, The British University in Egypt (BUE), Cairo, Egypt
5. Department of Civil Engineering, College of Engineering in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
6. Department of Civil Engineering, Canadian Higher Engineering Institute, Canadian International College, 6th October City, Egypt