1.		Towards tourism: a Laotian perspective / Wantanee Suntikul, Thomas Bauer, Haiyan Song Autor: suntikul, Wantanee Coautor: ; Bauer, Thomas Haiyan, Song COTA(S): RE-1610
2.		Impacts of the financial and economic crisis on tourism in Asia / Haiyan Song, Shanshan Lin Autor: Haiyan, Song Coautor: ; Shanshan, Lin COTA(S): RE-111