Box, George Edward Pelham
Evolutionary operation : a statistical method for proces improvement
John Wiley & Sons, 1969
 Buku Teks
Cano, Emilio L.
Six sigma with R : statistical engineering for process improvement
[Springer Science, ], 2012
 eBooks
Czitrom, Veronica
Statistical case studies for industrial process improvement
Society for Industrial and Applied Mathematics, 1997
 eBooks
Stoller, David S.
Operations research: process and strategy
University of California Press , 1964
 Buku Teks
Evans, James Robert, 1950-
Statistical process control for quality improvement : a training guide to learning SPC
Prentice-Hall, 1991
 Buku Teks