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) "松田, 文子","Effects of Understanding Relational Concepts between Duration, Distance and Speed on the Achievement of Math ""Speed"" in the 5th Grade",福山大学人間文化学部紀要,,福山 : 福山大学人間文化学部,2005-03-01,5,,1-8,https://cir.nii.ac.jp/crid/1050282812963999872,