1. 1. Albrecht, K. and Zempe, R.,
Service America, Dow Jones‐Irwin,
Homewood, IL, 1985.
2. 2. Annual Abstract of Statistics, HMSO, London, 1991.
3. 3. Deming, W.E.,
Out of the Crisis, MIT Press, Cambridge, MA, 1980.
4. 4. Peters, T.,
Thriving on Chaos, Macmillan, New York, NY, 1988.
5. 5. Juran, J.M.,
Quality Control Handbook, 3rd ed., McGraw‐Hill, New
York, NY, 1974.