?url_ver=Z39.88-2004&rft_id=10.1088%2F1757-899X%2F801%2F1%2F012012&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=R.&rft.aulast=Anas&rft.au=Anas%2C+R.&rft.issn=17578981&rft.title=Evaluation+of+paratransit+performance+as+public+transport+in+Medan+City&rft.date=2020&rft.genre=proceeding