?url_ver=Z39.88-2004&rft_id=10.1109%2FISIEA58478.2023.10212154&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=N.T.&rft.aulast=Son&rft.au=Son%2C+N.T.&rft.date=2023&rft.title=Some+Metaheuristics+for+Tourist+Trip+Design+Problem&rft.isbn=9798350347494&rft.genre=proceeding