Efficiency of Japanese Local Broadcasters - Asai, Sumiko (Journal of Media Economics, 2011)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA4MC8wODk5Nzc2NC4yMDExLjYwMTk3NQ