WASET
    Hossam el-ddin Mostafa and  Pavel Čičak,  PetriNets Manipulation to Reduce Roaming Duration: Criterion to Improve Handoff Management.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2007, vol. 12(12). 1910 - 1915
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/1026.