Lillrank, P. (1989). Continuous improvement: Quality control circles in Japanese industry. Ann Arbor: Center for Japanese Studies, the University of Michigan.
Παραπομπή Chicago StyleLillrank, Paul. Continuous Improvement: Quality Control Circles in Japanese Industry. Ann Arbor: Center for Japanese Studies, the University of Michigan, 1989.
Παραπομπή MLALillrank, Paul. Continuous Improvement: Quality Control Circles in Japanese Industry. Ann Arbor: Center for Japanese Studies, the University of Michigan, 1989.
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