Lamprecht, J. L., Hytinen, A., & O'Mara, P. (2005). Applied data analysis for process improvement: A practical guide to six sigma black belt statistics. ASQ Quality Press.
Lua i Stíl Chicago (17ú heag.)Lamprecht, James L., Annemieke Hytinen, agus Paul O'Mara. Applied Data Analysis for Process Improvement: A Practical Guide to Six Sigma Black Belt Statistics. Milwaukee, Wisconsin: ASQ Quality Press, 2005.
Lua MLA (9ú heag.)Lamprecht, James L., et al. Applied Data Analysis for Process Improvement: A Practical Guide to Six Sigma Black Belt Statistics. ASQ Quality Press, 2005.
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