References

Burr, J. T. (1990), “The Tools of Quality, Part VI: Pareto Charts,” Quality Progress, 23, 59–61.

Cleveland, W. S. (1985), The Elements of Graphing Data, Monterey, CA: Wadsworth.

Ishikawa, K. (1976), Guide to Quality Control, Tokyo: Asian Productivity Organization.

Kume, H. (1985), Statistical Methods for Quality Improvement, Tokyo: AOTS Chosakai, Ltd.

Wadsworth, H. M., Stephens, K. S., and Godfrey, A. B. (1986), Modern Methods for Quality Control and Improvement, New York: John Wiley & Sons.