Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hashimoto Hideki and Hu Yannan,Heuristic Algorithms for the Vehicle Routing Problems,"SYSTEMS, CONTROL AND INFORMATION",09161600,"THE INSTITUTE OF SYSTEMS, CONTROL AND INFORMATION ENGINEERS",2020-06-15,64,6,218-223,https://cir.nii.ac.jp/crid/1390286981359726720,https://doi.org/10.11509/isciesci.64.6_218