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 "Balassa, Bela A. and International Economic Association. World Congress","Comments on ""Barriers to development"" (K. N. Raj)",,s.n.],1977,General theme : economic growth and resources,,,,https://cir.nii.ac.jp/crid/1130000795825823488