Maciej Norberciak,  Universal Method for Timetable Construction based on Evolutionary Approach.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2008, vol. 15(3). 174 - 179
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/7509.