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Axiomatic quality : integrating axiomatic design with six-sigma, reliability, and quality engineering
El-Haik, Basem, (2005)
Lean Six sigma statistics : calculating process efficiencies in transactional projects
Muir, Alastair K., (2006)
Lean Six Sigma : Leading processes to lead companies. Kaizen leader & green belt handbook
Arcidiacono, Gabriele, (2012)