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) "定延, 利之","Grammatical number from an ecological perspective, focused on the “Here-Now-I-Real”","American, British and Canadian Studies",1841-964X,Sciendo,2023-12,41,1,73-98,https://cir.nii.ac.jp/crid/1050862467533157504,