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Ọzụzụ Lean Six Sigma Black Belt bụ asambodo kachasị maka usoro njikwa ogo Lean isii Sigma. Ejikọtara ya na ule IASSC, nkuzi a bụ ọkwa ikpeazụ nke mmemme Masters nke ga-edobe gị dị ka ọkachamara na mmejuputa Lean, Design for Six Sigma (DFSS), Six Sigma Define, Measure, Analyze, Improve and ...
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