M. Safaei and  M. Seifert and  K. D. Thoben,  Proposed a Method for Increasing the Delivery Performance in Dynamic Supply Network.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2010, vol. 45(9). 894 - 897
    [viewed 15 October 2019]. Available from: https://publications.waset.org/pdf/14586.