Chowdhury, S. (2005). Design for six sigma. Dearbon Pub.
Chicago-čujuhus (17. p.)Chowdhury, Subir. Design for Six Sigma. Chicago: Dearbon Pub, 2005.
MLA-čujuhus (9. p.)Chowdhury, Subir. Design for Six Sigma. Dearbon Pub, 2005.
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