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 "Sjøvaag, Helle",The markets for news : enduring structures in the age of business model disruptions,,Routledge,2023,Routledge focus,,9780367533953,,https://cir.nii.ac.jp/crid/1130014856708652587