http://www.apiweb.org/
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LEAN THINKING
Womack, James P., Daniel, T. Jones (1996) Lean Thinking
A mindset methodology for continuous process improvement
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SIX SIGMA
The DMAIC Project Methodology
Define, Measure, Analyze, Improve/Implement, Control/Sustain
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Other methodologies and concepts:
PMI
TQM
Re-engineering
Just-In-Time
ISO 9000
Theory of Constraints
Action Research
Appreciative Inquiry