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 Organisation for Economic Co-operation and Development,Processes and Production Methods (PPMs) : conceptual framework and considerations on the use of PPM-based trade measures,,OECD,1997,OECD working papers,,,,https://cir.nii.ac.jp/crid/1130000798116814848