@article{oai:teapot.lib.ocha.ac.jp:00021179,
 author = {宮地, 忠雄},
 issue = {3},
 journal = {幼児の教育},
 month = {Mar},
 note = {application/pdf, 一般雑誌記事},
 pages = {26--29},
 title = {協力学級経営の実際(2) : 児童の集団構成},
 volume = {55},
 year = {1956}
}