1. Ph.D. Candidate, Faculty of Engineering and Architecture, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, P.O. Box 11-0236, Riad El-Solh, Beirut, Lebanon 1107 2020.
2. Professor of Construction Engineering and Management, Faculty of Engineering and Architecture, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, P.O. Box 11-0236, Riad El-Solh, Beirut, Lebanon 1107 2020.
3. Associate Professor of Construction Engineering and Management, Faculty of Engineering and Architecture, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, P.O. Box 11-0236, Riad El-Solh, Beirut, Lebanon 1107 2020.