Refer class notes if you are buying this to clear Six Sigma GB certification
Ronjay Chakraborty
Certified Buyer, Kolkata
Nov, 2014
Six Sigma Handbook
Yogesh Kaushik
Certified Buyer, Gurgaon
Feb, 2013
Six Sigma Handbook
Pooja
Certified Buyer, Baroda
Dec, 2014
Nothing to learn in this book
Venkat Vamcee
Certified Buyer, Bengaluru
Jun, 2014