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) M. Arellano,PRACTITIONERS’ CORNER: Computing Robust Standard Errors for Within‐groups Estimators*,Oxford Bulletin of Economics and Statistics,0305-9049,Wiley,1987-11,49,4,431-434,https://cir.nii.ac.jp/crid/1363107371168433152,https://doi.org/10.1111/j.1468-0084.1987.mp49004006.x