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 "Choudhury, Khashruzzaman and Obaidullah, A. K. M. and International Educational Reporting Service",Outdoor primary education in Bangladesh,,Unesco,1980,Experiments and innovations in education,,9231018167,,https://cir.nii.ac.jp/crid/1130282269190449408