Tuominen, K., & Malmberg, L. (2013). Six sigma excellence criteria: Self-assessment work book : 38 searching questions and contrasting pairs of examples : what separates the successful from the average? Benchmarking Ltd..
Chicago-čujuhus (17. p.)Tuominen, Kari, juo Lasse Malmberg. Six Sigma Excellence Criteria: Self-assessment Work Book : 38 Searching Questions and Contrasting Pairs of Examples : What Separates the Successful from the Average? [Turku, Finland]: Benchmarking Ltd., 2013.
MLA-čujuhus (9. p.)Tuominen, Kari, juo Lasse Malmberg. Six Sigma Excellence Criteria: Self-assessment Work Book : 38 Searching Questions and Contrasting Pairs of Examples : What Separates the Successful from the Average? Benchmarking Ltd., 2013.
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