1. Autodesk. (2007). “BIM’s return on investment.” 〈http://images.autodesk.com/adsk/files/bim_roi_jan07_1_.pdf〉 (August 30 2009).
2. Azhar S. Hein M. and Sketo B. (2008). “Building information modeling: Benefits risks and challenges.” Proc. 44th Associated Schools of Construction National Conference Auburn AL.
3. Azhar S. Nadeem A. Mok J. Y. N. and Leung B. H. Y. (2008). “Building information modeling (BIM): A new paradigm for visual interactive modeling and simulation for construction projects.” Proc. First International Conference on Construction in Developing Countries Karachi Pakistan 435–446.
4. Azhar S. and Richter S. (2009). “Building information modeling (BIM): Case studies and return-on-investment analysis.” Proc. Fifth International Conference on Construction in the 21st Century Istanbul Turkey 1378–1386.