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Juran institute's Six Sigma: breakthrough and beyond : quality performance breakthrough methods
De Feo, Joseph A., (2004)
Six sigma for dummies
Gygi, Craig, (2005)
Best practices in lean six sigma process improvement : a deeper look
Schonberger, Richard, (2008)
The Multilateral Agreement on Investment : origins and state of play
Larson, Alan, (1996)
Demystifying Six Sigma : a company-wide approach to continuous improvement
Larson, Alan, (2003)
Demystifying six sigma : a company-wide approach to continuous improvement