WASET
    Nicolas Zufferey,  How to Build and Evaluate a Solution Method: An Illustration for the Vehicle Routing Problem.   journal   = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 60 - 64
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/719.