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) Douglas B. Downey and Paul T. von Hippel and Beckett A. Broh,Are Schools the Great Equalizer? Cognitive Inequality during the Summer Months and the School Year,American Sociological Review,0003-1224,SAGE Publications,2004-10,69,5,613-635,https://cir.nii.ac.jp/crid/1362825893849707136,https://doi.org/10.1177/000312240406900501