Chiarini, Andrea
From total quality control to lean six sigma: evolution of the most important management systems for the excellence
Springer, 2012
 eBooks
Thompson, S.
Control systems engineering and design / S. Thompson
Longman Scientific and Technical, 1989
 Buku Teks
Duncan, Acheson J.
Quality control and industrial statistics
D.B. Taraporevala Sons, 1969
 Buku Teks SO
Ross, Phillip J.
Taguchi techniques for quality engineering: lose function, orthogonal experiments, parameter and tolerance design
McGraw-Hill, 1989
 Buku Teks SO
George, Michael L.
Lean six sigma for service : how to use lean speed and six sigma quality to improve services and transactions
McGraw-Hill, 2003
 Buku Teks