Stern,Terra Vanzant. (2019). Leaner Six Sigma: Making Lean six Sigma Easier and Adaptable to Current Workplaces (first.). Routledge Taylor & Francis Group.
Lua i Stíl Chicago (17ú heag.)Stern,Terra Vanzant. Leaner Six Sigma: Making Lean Six Sigma Easier and Adaptable to Current Workplaces. first. New York: Routledge Taylor & Francis Group, 2019.
Lua MLA (9ú heag.)Stern,Terra Vanzant. Leaner Six Sigma: Making Lean Six Sigma Easier and Adaptable to Current Workplaces. first. Routledge Taylor & Francis Group, 2019.
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