?url_ver=Z39.88-2004&rft_id=10.4018%2F978-1-5225-1054-3&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=P.&rft.au=Vasant%2C+P.&rft.aulast=Vasant&rft.isbn=9781522510550%3B+9781522510543&rft.btitle=Handbook+of+research+on+holistic+optimization+techniques+in+the+hospitality%2C+tourism%2C+and+travel+industry&rft.date=2016&rft.genre=book