Halil Ibrahim Demir and  Caner Erden and  Mumtaz Ipek and  Ozer Uygun,  Solving Weighted Number of Operation Plus Processing Time Due-Date Assignment, Weighted Scheduling and Process Planning Integration Problem Using Genetic and Simulated Annealing Search Methods.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2017, vol. 121(1). 73 - 81
    [viewed 05 August 2020]. Available from: https://publications.waset.org/pdf/10006048.