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 Educational Research Council of America. Social Science Staff,"Agriculture, people and the land",Learner-verified ed. 2,Allyn and Bacon,1975,Concepts and inquiry : the Educational Research Council social science program,,,,https://cir.nii.ac.jp/crid/1130000796191426688