Cheah, C. S. (2025). Implementation of six sigma in a manufacturing company: A case to improve certified six sigma black belt examination passing rate. Universiti Teknologi Malaysia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCheah, Chin San. Implementation of Six Sigma in a Manufacturing Company: A Case to Improve Certified Six Sigma Black Belt Examination Passing Rate. Universiti Teknologi Malaysia, 2025.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCheah, Chin San. Implementation of Six Sigma in a Manufacturing Company: A Case to Improve Certified Six Sigma Black Belt Examination Passing Rate. Universiti Teknologi Malaysia, 2025.
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