RT Journal, Electronic SR Electronic DC OPAC T1 Canadian shipper (Toronto, Ont.) K1 Transportation Economics PB BIG Magazines LP NO 書誌ID=EJ00012811; LK [E Journal]https://search.ebscohost.com/direct.asp?db=bth&jid=GZMV&scope=site; [E Journal]https://search.ebscohost.com/direct.asp?db=bth&jid=GZMV&scope=site