Six Sigma for Green Belts and Champions : Foundations, DMAIC, Tools, Cases, and Certification Levine, David M. Gitlow, Howard S. 9780134048574 Heftet 13.10.2014 Engelsk I salg
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Quality Management Systems : A Practical Guide Gitlow, Howard S 9781574442618 Innbundet 26.09.2000 Engelsk I salg
