Segmenting the international travel market by activity / Sheauhsing Hsieh, Joseph T. O'Leary, Alastair M. Morrison
Corporate travel in the USA : Characteristics of managers and departments / Alastair M. Morrison, Kelly A. Ladig, Sheauhsing Hsieh
Communication channels to segment pleasure travelers / Sheauhsing Hsieh, Joseph T. O'Leary
A comparison of package and non-package travelers from the United kingdom / Sheauhsing Hsieh, Joseph T. O'Leary, Alastair M. Morrison