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 "勝又, 壮太郎 and 若林, 隆久",Loyalty program point exchange networks and their impact on marketing perfofmance,,Faculty of Economics Nagasaki University,2014,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000794147705344