T. Perera, A. Prakash, and T. Srikanthan, “A Hybrid Methodology for Optimal Fleet Management in an Electric Vehicle Based Flexible Bus Service,” in Proceedings of the 15th International Conference on Control, Automation, Robotics and Vision (ICARCV), Singapore, Nov. 2018, pp. 331–336, DOI: 10.1109/ICARCV.2018.8581345.