RATH, . (2005). SIX SIGMA ADVANCED TOOLS POCKET GUIDE. New Delhi: Tata McGraw-Hill.
RATH, . 2005. SIX SIGMA ADVANCED TOOLS POCKET GUIDE. New Delhi: Tata McGraw-Hill.
RATH, . SIX SIGMA ADVANCED TOOLS POCKET GUIDE. New Delhi: Tata McGraw-Hill. 2005.
