C. E. Nugraheni and  L. Abednego ,  Collaboration of Multi-Agent and Hyper-Heuristics Systems for Production Scheduling Problem.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 80(8). 1136 - 1141
    [viewed 05 August 2020]. Available from: https://publications.waset.org/pdf/16759.