Six sigma :
Zinkgraf, Stephen A. 1948-
Six sigma : the first 90 days / Stephen A. Zinkgraf ; with contributions from Sigma Breakthrough Technologies, Inc., Instantis, Inc., and Peak Performance Consulting Corporation. - Upper Saddle River, N. J. : Prentice Hall, 2006. - xxi, 382 p. : ill. ; 25 cm.
Includes index.
9780131687400
Six sigma (Quality control standard)
HD62.15 / .Z56 2006
Six sigma : the first 90 days / Stephen A. Zinkgraf ; with contributions from Sigma Breakthrough Technologies, Inc., Instantis, Inc., and Peak Performance Consulting Corporation. - Upper Saddle River, N. J. : Prentice Hall, 2006. - xxi, 382 p. : ill. ; 25 cm.
Includes index.
9780131687400
Six sigma (Quality control standard)
HD62.15 / .Z56 2006