标题：精神薄弱幼児保育の経験〔I〕 : 4.精神薄弱 [in Japanese] An experience of pre-school education for the mentally retarded children. : LIST OF PAPERS PRESENTED AT THE THIRD ANNUAL CONVENTION OF THE JAPANESE ASSOCIATION OF EDUCATIONAL PSYCHOLOGY October 17-21,1961,Nagoya : Division 3 : Mentally Retarded [in Japanese]
