Ko, J.-H., Park, S.-H. and Kim, D.-C. 2015. Efficiency Analysis of Project Management Offices for Large-scale Information System Projects: Insights for Construction Megaprojects. Construction Economics and Building. 15, 3 (Aug. 2015), 34-47. DOI:https://doi.org/10.5130/AJCEB.v15i3.4610.