著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Travers, Kenneth. J and ERIC Information Analysis Center for Science, Mathematics, and Environmental Education",Teaching resources for low-achieving mathematics classes,,"ERIC/SMEAC Science, Mathematics, and Environmental Education Information Analysis Center",1971,Mathematics education reports,,,,https://cir.nii.ac.jp/crid/1130282268979960320