DAFTAR PUSTAKA
Abdurrahman Coskun, 2011, Six Sigma Projects and Personal Experience,
Croatia:
Janeza Trdine.
Fernando, dkk, 2014, Optimasi Lini Produksi dengan Value Stream Mapping dan Value Stream Analysis Tools.
Iftikar Z. Sutalaksana, 1979, Teknik Tata Cara Kerja, Bandung: ITB Press. Izzati, 2013, Quality Control Analysis of Milk Powder Produkction Process Using
Lean Six Sigma Method.
Michael L. George, Rowlands, David Rowlands, Mark Price dan John Maxey, 2002,
The Lean Six Sigma Pocket Toolbook, New York: McGraw-Hill.
Mike, Rother & John Shook, 2003, “Learning to See Value Stream Mapping to Create Value and Eliminate Muda”, Massachusets: Lean Enterprise Institute, Massachusets.
Pete Pande and Larry Holpp, 2002, What is Six Sigma,United States of America: McGraw-Hill.
Praveen Gupta, 2005, The Six Sigma Performance Handbook, New York: McGraw-Hill Inc.
Rudi, M. Tambunan, 2008, Standard Operating Procedures (SOP), Jakarta: Malestas Publishing.
Sukaria Sinulingga, 2014, Rekayasa Produktivitas, Medan: USU Press.
