著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Enna HIRATA and Hideki MURAKAMI,Liner Shipping Market Contestability in Alliance Era,海運経済研究 = Journal of logistics and shipping economics,03865320,神戸 : 日本海運経済学会,2015,,49,41-50,https://cir.nii.ac.jp/crid/1520853835562012544,