Cano, Emilio L.
Six sigma with R : statistical engineering for process improvement
[Springer Science, ], 2012
 eBooks
Brue, Greg
Six sigma
McGraw-Hill, 2006
 Buku Teks
Schonberger, Richard John
Best practices in lean six sigma process improvement: a deeper look
John Wiley & Sons, 2008
 Buku Teks
Asana Kusnadi
Contractor work preparation process improvement using lean six sigma
Institut Teknologi Bandung, 2016
 Artikel Jurnal
Benny Tampang
Peningkatan kualitas proses pembuatan filter rokok menggunakan metoda six sigma = Quality improvement in filter making process using six sigma methods
Fakultas Teknik Universitas Indonesia, 2008
 UI - Tesis Open