@article{oai:teapot.lib.ocha.ac.jp:00013527, author = {牛山, 佐智恵}, issue = {11}, journal = {幼児の教育}, month = {Nov}, note = {application/pdf, 一般雑誌記事}, pages = {56--63}, title = {おしっこ、おもらし、そしてお弁当}, volume = {86}, year = {1987} }