1.		A model of senior tourism motivations - anecdotes from Beijing and Shanghai / Cathy H. C. Hsu, Liping A. Cai, Kevin K. F. Wong Autor: Hsu, Cathy H.C. Coautor: ; Cai, Liping A Wong, Kevin K.F COTA(S): RE-1193
2.		Tourism forecasting: to combine or not to combine? / Kevin K. F. Wong [et al.] Resp- Sec.: Wong, Kevin K.F Haiyan, Song Witt, Stephen F Wu, Doris C. COTA(S): RE-1193