1. Laufer A. Assessment of financial incentive programs for the construction labour force: a delphi analysis. A thesis submitted for the fulfilment of PhD, University of Texas at Austin, Texas; 1980.
2. Management and organizational development: the path from XA to YB;Argyris,1971
3. Improving motivation and productivity on large projects;Borcherding;Journal of the Construction Division, ASCE,1980
4. Borcherding JD, Oglesby CH. Motivating the lower level supervisory staff and work force on super projects. In: Proceedings: The Ninth Annual Seminar of the Project Management Institute—Realities in Project Management, 22–25 Oct, Chicago, IL. 1977. p. 237–48.
5. Chishty MS, Choudhry MA. Manpower motivation improves quality in construction. In: Dhir RK, McCarthy, MJ, editors. Proceedings: International Conference on Appropriate Concrete Technology, University of Dundee, Scotland, 24–26 June. 1996. p. 197–206.