WASET
    Sarah Majid Ansari and  Serjosha Wulf and  Matthias Görke,  Resource Efficiency within Current Production.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2014, vol. 95(11). 3448 - 3452
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9999609.