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 "Österling, Olle",The efficacy of special education : a comparative study of classes for slow learners,,Svenska Bokförlaget,1967,Scandinavian university books,,,,https://cir.nii.ac.jp/crid/1130000796491148800