Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 大島 登志彦,The vicissitudes of local omnibus services and operations in Japan,高崎経済大学論集 = The Economic journal of Takasaki City University of Economics,04967534,高崎 : 高崎経済大学経済学会,2007-09,50,1・2,69-80,https://cir.nii.ac.jp/crid/1520290882789542400,