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.),Curriculum developments in the secondary school,,National Association of Secondary-School Principals,1953,Bulletin of the National Association of Secondary School Principals,,,,https://cir.nii.ac.jp/crid/1130282269558928640