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
"Suydam, Marilyn N.",Research in elementary school mathematics-1970 : annotated list of research references,,"ERIC/SMEAC Science, Mathematics, and Environmental Education Information Analysis Center, 1971",1971,Mathematics education reports,,,,https://cir.nii.ac.jp/crid/1130000796332258816