Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 加護野 忠男,コア事業をもつ多角化戦略,Organizational Science,02869713,The Academic Association for Organizational Science,2004-03-20,37,3,4-10,https://cir.nii.ac.jp/crid/1390292948144724096,https://doi.org/10.11207/soshikikagaku.20220802-14