1. Hadhramout University,Petroleum Engineering Department,Hadhramout,Yemen
2. A‘Sharqiyah University,College of Engineering,Department of Civil and Environmental Engineering,Ibra,Oman,400
3. Universiti Teknologi PETRONAS,Department of Civil Engineering,Perak,Malaysia
4. Universiti Utara Malaysia (UUM),School of Computing,Sintok,Kedah,Malaysia
5. Sunway University,Sunway Business School,Department of Business Analytics,Selangor,Malaysia,47500
6. University of Miskolc,Petroleum Engineering Department,Hungary,3526