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 "Unesco and Poth, Joseph",National languages and teacher training in Africa : a methodological guide for the use of teacher training institutes,,Unesco,1980,Educational studies and documents,,9231016296,,https://cir.nii.ac.jp/crid/1130282270730434560