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) Heinz Weihrich,The TOWS matrix—A tool for situational analysis,Long Range Planning,0024-6301,Elsevier BV,1982-04,15,2,54-66,https://cir.nii.ac.jp/crid/1361137044448123776,https://doi.org/10.1016/0024-6301(82)90120-0