utarto. (0001). An introduction to six sigma and process improvement=Pengantar six sigma (-.). Yogyakarta: BPFE.
Chicago Style Citationutarto. An Introduction to Six Sigma and Process Improvement=Pengantar Six Sigma. -. Yogyakarta: BPFE, 0001.
MLA Citationutarto. An Introduction to Six Sigma and Process Improvement=Pengantar Six Sigma. -. Yogyakarta: BPFE, 0001.
Warning: These citations may not always be 100% accurate.