WASET
    Anthony E. Ohazulike and  Georg Still and  Walter Kern and  Eric C. van Berkum,  Multi-Stakeholder Road Pricing Game: Solution Concepts.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2012, vol. 63(3). 339 - 350
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/6397.