4R S Kaplan, David P. Norton The Balanced Scorecard: Translating Strategy into Action. Harvard Business School Press, 1996,pp. 15- 39.
5Richard S Williams. Performance Management: Perspectives on Employee Performance. International Thomson Business Press,1999.
6R S Kaplan, D P Norton. The Balanced Scorecard: Translating Strategy into Action. Harvard Business School Press, 1996.
7A N Berger, D B Humphrey. Efficiency of Financial Institutions: International Survey and Directions for Future Research. European Journal of Operational Research. Vol.98 1997.
8Milind Sathye. X - efficiency in Australian Banking: An Empirical Investigation. Journal of Banking and Finance. Vol. 25,2001.
9R I Anderson, Robert Fok, L V Zumpano, H W Elder. Measuring the Efficiency of Residential Real Estate Brokerage Firms. Journal of Real Estate Research. Vol. 16, 1998.
10Holmstrom, B, P Milgrom. The Firm as Incentive System. American Economic Review. 2001.