@article{oai:teapot.lib.ocha.ac.jp:00013619, author = {牛山, 佐智恵}, issue = {5}, journal = {幼児の教育}, month = {May}, note = {application/pdf, 一般雑誌記事}, pages = {45--48}, title = {自分のものへのこだわり}, volume = {86}, year = {1987} }