1.		Tourists as mobile gamers: Gamification for tourism marketing / Feifei Xu [et al.] Resp- Sec.: Feifei, Xu Feng, Tian Buhalis, Dimitrios Weber, Jessika Zhang, Hongmei
2.		Serious games and the gamification of tourism / Feifei Xu, Dimitrios Buhalis and Jessika Weber Autor: Feifei, Xu Coautor: ; Buhalis, Dimitrios Weber, Jessika