Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kitagawa Kota,Valuation Devices of Subject Transformation,季刊経済研究,2436-0392,大阪市立大学経済研究会,2019-03-31,39,1-2,33-53,https://cir.nii.ac.jp/crid/1390290699900252672,https://doi.org/10.24544/ocu.20190711-002