1. Continuous Improvement in Operations;Robinson,1991
2. How suggestive workers nudge profits skywards;Kilburn;Financial Times,1988
3. Kaizen;Imai,1987
4. America's most successful export to Japan/3-continuous improvement programmes;Schroeder;Sloan Management Review,1991
5. Petroleum Progress and Profits; a History of Process Innovation;Enos,1962