WASET
    Marco Bötel and  Tobias Gelau and  Wendelin Gross,  Continuity Planning in Supply Chain Networks: Degrees of Freedom and Application in the Risk Management Process.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 75(3). 662 - 667
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/4884.