Ivan C. Mustakerov and  Daniela I. Borissova,  Optimal Manufacturing Scheduling for Dependent Details Processing.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2008, vol. 23(11). 1273 - 1277
    [viewed 24 September 2020]. Available from: https://publications.waset.org/pdf/836.