Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 宮田 憲一,"A Comparative Study of Toshiba and Hitachi in ""the Lost Decades"" : Corporate Investments and Strategic Attributes",経営学研究論集,13409190,東京 : 明治大学大学院,2011,,36,165-182,https://cir.nii.ac.jp/crid/1520572358823747840,