6 Sigma Nedir?
Neden 6 Sigma?
Kaynaklar
Kaynaklar
      o http://www.isixsigma.com/
      o http://www.6-sigma.com/
      o http://www.sixsigmasystems.com/
      o http://www.sixsigmaqualtec.com/
      o http://www.motorola.com/motorolauniversity.jsp
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