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 "Djellal, Faridah and Gallouj, Faïz","Measuring and improving productivity in services : issues, strategies and challenges",,Edward Elgar,2008,"Services, economy and innovation",,9781847202697,,https://cir.nii.ac.jp/crid/1130282272429618560