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 "Jajuga, Krzysztof",Contemporary trends and challenges in finance : proceedings from the 4th Wroclaw International Conference in Finance,,Springer,2019,Springer proceedings in business and economics,,9783030155803,,https://cir.nii.ac.jp/crid/1130285378689023232