著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL National Association of Secondary School Principals (U.S.),Postwar issues confronting secondary education : a series of articles on problems and proposals that are emerging from the wartime experience of secondary schools,,National Association of Secondary School Principals,1946,Bulletin of the National Association of Secondary School Principals,,,,https://cir.nii.ac.jp/crid/1130000796936811520