1. Aczel, A.D. and Soundepandian, J. (2003), Complete Business Statistics, 5th ed., McGraw‐Hill Higher Education, New York, NY.
2. Andersson, C. (1996), “Enabling strategies in planning for change”, in Alexander, K . (Ed.), Facilities Management, Theory and Practice, Spon Press, London.
3. Barrett, P. and Baldry, D. (2003), Facilities Management: Towards Best Practice, 2nd ed., Blackwell Publishing, Oxford.
4. Becker, F. (1990), The Total Workplace, Facilities Management and the Elastic Organisation, Van Nostrand Reinhold, New York, NY.
5. Blakstad, S.H. (2001), “A strategic approach to adaptability in office buildings”, Dr Ing. thesis, Department of Building Technology, Norwegian University of Science and Technology, Trondheim.