@phdthesis{oai:waseda.repo.nii.ac.jp:00065177,
 author = {Takahashi, Masami and 髙橋, 昌美},
 month = {},
 note = {早大学位記番号:新8643},
 school = {早稲田大学},
 title = {幼児の生活と余暇時間の過ごし方および健康管理上の課題},
 year = {2020}
}