Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Okada Yohei and Takata Hinako and Abe Kie,Identification of Customary International Law by the International Court of Justice Some Reflections on Recent Debates,国際協力論集,09198636,神戸大学大学院国際協力研究科,2019-01-31,26,2,125-149,https://cir.nii.ac.jp/crid/1390572174909126272,https://doi.org/10.24546/81010622