?url_ver=Z39.88-2004&rft_id=10.3390%2Fsu132112226&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.aulast=Ali&rft.au=Ali%2C+M.&rft.date=2021&rft.volume=13&rft.issue=21&rft.issn=20711050&rft.atitle=Time-use+and+spatio-temporal+variables+influence+on+physical+activity+intensity%2C+physical+and+social+health+of+travelers&rft.title=Sustainability+(Switzerland)&rft.genre=article