著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Walter W. Powell,Learning from Collaboration: Knowledge and Networks in the Biotechnology and Pharmaceutical Industries,California Management Review,0008-1256,SAGE Publications,1998-04,40,3,228-240,https://cir.nii.ac.jp/crid/1360011144982284416,https://doi.org/10.2307/41165952