Systematic Analysis of In-Game Purchases and Social Features of Mobile Social Games in Japan. - Akiko Shibuya; Mizuha Teramoto; Akiyo Shoun (DiGRA Conference, 2015)

Male and Female Game Players' Preferences for Game Characters and Real-world Personalities in Japan. - Akiko Shibuya; Hibiki Okura; Akiyo Shoun; Naoko Asou (DiGRA Conference, 2019)