1.		Opening the online marketplace: An examination of hotel pricing and travel agency on-line distribution of rooms / Liuyi Ling, Xiaolong Guo, Chenchen Yang Autor: Liuyi, Ling Coautor: ; Xiaolong, Guo Chenchen, Yang COTA(S): RE-1193
2.		Cooperation contract in tourism supply chains: the optimal pricing strategy of hotels for cooperative third party strategic websites / Xiaolong Guo, Liuyi Ling, Yufeng Dong, Liang Liang Resp- Sec.: Xiaolong, Guo Liuyi, Ling Yufeng, Dong Liang, Liang COTA(S): RE-1253