Modelling interstate tourism demand in Australia: A cointegration approach. - David Allen; Ghialy Yap; Riaz Shareef (Math. Comput. Simul., 2009)

Investigating other leading indicators influencing Australian domestic tourism demand. - Ghialy Yap; David Allen (Math. Comput. Simul., 2011)

The impacts of exchange rates on Australia's domestic and outbound travel markets. - Ghialy Yap (Math. Comput. Simul., 2013)