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The Lean Six Sigma Pocket Toolbook: A Quick Reference Guide to 100 Tools for Improving Quality and Speed
$16.95
"The Lean Six Sigma Pocket Toolbox" covers nearly 100 "tools" related to Six Sigma. The authors (George, Rowlands, Price, and Maxey) cover each of these tools in a manner, and at a depth, well-suited for the CSSBB examination given by the ...

Lean Six Sigma for Service : How to Use Lean Speed and Six Sigma Quality to Improve Services and Transactions
$34.95
It was very helpfull in my thesis development. It shows you how we can implement a six sigma control in a service deparment or industry by grading everything what is made inside of the company.