References
- Crosby , P. B. 1980 . Quality is Free. , New York : McGraw Hill .
- Crosby , P. B. 1990 . Lei's Talk Quality. , New York : McGraw Hill .
- Evans , R. and Lindsay , W. M . 1989 . The Management and Control of Quality. St Paul West
- Peters , T. J. and Waterman , R. H. 1982 . Search of Excellence. , New York : Harper and Row .
- Robson , M. 1982 . Quality Circles: A Practical Guide. , Aldershot : Gower .
- Spackman , A. and Higgins , J. 1991 . Total quality . Health Service Journal , 3 October