TY  - BOOK
AU  - Pyzdek,Thomas
AU  - Keller,Paul A.
TI  - Six sigma handbook: a complete guide for green belts, black belts, and managers at all levels 
T2  - McGraw-Hill handbooks
SN  - 9780071840538
U1  - 658.4013 PYZ 23
PY  - 2014///
CY  - Chicago, Ill.
PB  - McGraw-Hill Education LLC.
KW  - Six sigma (Quality control standard)
ER  -