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 "Koch, Rika",Green public procurement under WTO law : experience of the EU and prospects for Switzerland,,Springer,2020,European yearbook of international economic law,,9783030482169,,https://cir.nii.ac.jp/crid/1130289519497555233