13.		A comparative analysis of major online review platforms: implications for social media analytics in hospitality and tourism / Zheng Xiang, [et al.] Resp- Sec.: Zheng, Xiang Qianzhou, Du Yufeng, Ma Weiguo, Fan COTA(S): RE-1193
14.		Smartphone use in everyday life and travel / Dang wang, Zheng Xiang and Daniel R. Fesenmaier Autor: Dan, Wang Coautor: ; Zheng, Xiang Fesenmaier, Daniel R. COTA(S): RE-111