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 "Eaton, Theodore Hildreth",A study of organization and method of the course of study in agriculture in secondary schools,,AMS Press,1972,Contributions to education,,040455086X,,https://cir.nii.ac.jp/crid/1130282271071455360