1. Ph.D. Candidate, Project Management Specialization, Dept. of Civil Engineering, Schulich School of Engineering, Univ. of Calgary, Calgary AB Canada T2N 1N4. E-mail: mohmoussa@shaw.ca
2. Director and Associate Professor, Project Management Specialization, Dept. of Civil Engineering, Schulich School of Engineering, Univ. of Calgary, Calgary AB Canada T2N 1N4 (corresponding author). E-mail: janaka@ucalgary.ca
3. Professor, Project Management Specialization, Dept. of Civil Engineering, Schulich School of Engineering, Univ. of Calgary, Calgary AB Canada T2N 1N4. E-mail: gjergeas@hotmail. com