?url_ver=Z39.88-2004&rft_id=10.3390%2Fsu10103520&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ahmad%2C+F.&rft.aulast=Ahmad&rft.aufirst=F.&rft.issue=10&rft.volume=10&rft.date=2018&rft.title=Sustainability+(Switzerland)&rft.issn=20711050&rft.atitle=Tourism+and+environmental+pollution%3A+Evidence+from+the+One+Belt+One+Road+provinces+of+Western+China&rft.genre=article