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Are you Kai Yang, author of the books below?
Design for Six Sigma by Kai Yang Design for Six Sigma for Service by Kai Yang Design for Six Sigma  by Kai Yang Design for Six Sigma for Service, Chapter 7 by Kai Yang Multivariate Statistical Methods in Quality Management by Kai Yang Design for Six Sigma for Service, Chapter 8 by Kai Yang Design for Six SIGMA, Chapter 1 - Quality Concepts by Kai Yang Voice of the Customer by Yang Design for Six SIGMA by Kai Yang Design for Six SIGMA by Kai Yang


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