Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takenaka Tatsuo, Paul J. Garfield and Wallace F. Lovejoy: Public Utility Economics,国民経済雑誌,03873129,神戸大学経済経営学会,1964-12,110,6,95-100,https://cir.nii.ac.jp/crid/1390853649856665728,https://doi.org/10.24546/00168091