@article{oai:teapot.lib.ocha.ac.jp:00014213, author = {今井, 和子}, issue = {6}, journal = {幼児の教育}, month = {Jun}, note = {application/pdf, 一般雑誌記事}, pages = {47--55}, title = {三歳未満児の探索活動 : 穴への関心}, volume = {83}, year = {1984} }