I. Six Sigma là gì?
“Embracing Six Sigma is more than just a tactical cost-savings initiative. Six Sigma is a management philosophy. It is a commitment to managing through process, not function, and making decisions based on facts and data rather than the inherent skills management believe make them great executives.”
“Đi theo con đường Six Sigma không đơn thuần là một chiến thuật thực hiện trong việc