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 "Percival, Fred and Ellington, Henry and Association for Educational and Training Technology",Distance learning and evaluation,,"Kogan Page,Nichols",1981,Aspects of educational technology,,"085038494X,0893971162",,https://cir.nii.ac.jp/crid/1130000794903347200