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 "Ahmed, Manzoor","The economics of nonformal education : resources, costs, and benefits",,Praeger,1975,Praeger special studies in international economics and development,,0275051900,,https://cir.nii.ac.jp/crid/1130282273076362752