@article{oai:kwansei.repo.nii.ac.jp:00026547,
 author = {土井, 教之 and Doi, Noriyuki},
 issue = {3},
 journal = {経済学論究, The journal of economics of Kwansei Gakuin University},
 month = {Dec},
 pages = {43--58},
 title = {両面市場におけるビジネスモデルと競争 : わが国ゲーム産業の例},
 volume = {71},
 year = {2017}
}