@article{oai:teapot.lib.ocha.ac.jp:00019976,
 author = {津守, 真},
 issue = {2},
 journal = {幼児の教育},
 month = {Feb},
 note = {application/pdf, 一般雑誌記事},
 pages = {22--25},
 title = {幼児の集団活動と発達段階},
 volume = {59},
 year = {1960}
}