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 "George, Betty Grace Stein",Education for Africans in Tanganyika : a preliminary survey,,"U. S. Dept. of Health, Education, and Welfare, Office of Education",1960,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282271903875584