Stefan Schmidt,  From Hype to Ignorance – A Review of 30 Years of Lean Production.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2011, vol. 49(1). 82 - 85
    [viewed 24 October 2021]. Available from: https://publications.waset.org/pdf/14172.