Showing 1 - 2 results of 2 for search 'Zinkgraf, Stephen A.', query time: 0.05s Refine Results
  1. 1
    Six sigma : the first 90 days
    by Zinkgraf, Stephen A.
    Published 2006
  2. 2
    Six Sigma - the first 90 days.
    by Zinkgraf, Stephen A.
    Published 2006
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