Caldwell, C., Butler, G., & Poston, N. (2009). Lean-Six Sigma for healthcare: A senior leader guide to improving cost and throughput (Second edition.). ASQ Quality Press.
Lua i Stíl Chicago (17ú heag.)Caldwell, Chip, Greg Butler, agus Nancy Poston. Lean-Six Sigma for Healthcare: A Senior Leader Guide to Improving Cost and Throughput. Second edition. Milwaukee, Wisconsin: ASQ Quality Press, 2009.
Lua MLA (9ú heag.)Caldwell, Chip, et al. Lean-Six Sigma for Healthcare: A Senior Leader Guide to Improving Cost and Throughput. Second edition. ASQ Quality Press, 2009.
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