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 "Choi, Nakgyoon and 對外經濟政策研究院",Determinants of staging categories for the tariff elimination in the FTA negotiations,,Korea Institute for International Economic Policy (KIEP),2009,KIEP working paper,,9788932241951,,https://cir.nii.ac.jp/crid/1130282270275725056