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) ASHCRAFT M. H.,Cognitive psychology and simple arithmetic : A review and summary of new directions,Mathematical Cognition,,,1995,1,,3-34,https://cir.nii.ac.jp/crid/1572824499978125952,