Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Matsuda Fumiko and Kojima Yoshiko and Morita Aiko and Tanimura Ryo and Miyake Motoko,"Understanding of Interrelations Among Number, Length, and Crowdedness in Preschoolers",広島大学心理学研究,13471619,広島大学大学院教育学研究科心理学講座,2002-03-28,1,,87-102,https://cir.nii.ac.jp/crid/1390009224855161984,https://doi.org/10.15027/19451