@article{oai:teapot.lib.ocha.ac.jp:00022747, author = {山下, 俊郞}, issue = {1}, journal = {幼兒の教育}, month = {Jan}, note = {application/pdf, 一般雑誌記事}, pages = {29--31}, title = {幼兒の心理的發達(一) : (講話)}, volume = {48}, year = {1949} }