@article{oai:teapot.lib.ocha.ac.jp:00019451, author = {波多野, 完治}, issue = {11}, journal = {幼児の教育}, month = {Nov}, note = {application/pdf, 一般雑誌記事}, pages = {2--5}, title = {幼児の概念形成}, volume = {60}, year = {1961} }