Jiju Antony & Ricardo Banuelas 
World Class Applications of Six Sigma [PDF ebook] 

World Class Applications shows what real organisations have done to implement Six Sigma, the methodology used, and the results delivered. The book provides details of how these organisations overcame issues with the statistical tools of Six Sigma and provides valuable lessons by explaining what went wrong when implementation failed. Cases cover topics including: Six Sigma in HR; Implementing Six Sigma in the Dow Chemical company; Six Sigma in IT; and Six Sigma to improve reporting quality.