1.		A preliminary study of the Northern Ireland hotel classification scheme as a reflection of customer's needs / Roger J. Callan and Lisa Shenton Autor: Callan, Roger J. Coautor: ; Shenton, Lisa
2.		An attributional approach to hotel selection : the customers' perceptions / Roger J. Callan Autor: Callan, Roger J.
3.		An attributional approach to hotel selection : the managers perceptions / Roger J. Callan Autor: Callan, Roger J.
4.		Hotel guest history as a foundation for database marketing : embracing a pilot survey of UK hotels / Roger J. Callan, Andrea Teasdale Autor: Callan, Roger J. Coautor: ; Teasdale, Andrea
5.		Selecting a hotel and determining salient quality attributes: a preliminary study of mature british travellers / Roger J. Callan, Lisa Bowman Autor: Callan, Roger J. Coautor: ; Bowman, Lisa
6.		A preliminary assessment of the function and conference service product at a UK stately home / Roger J. Callan, Margaret K. Hoyes Autor: Callan, Roger J. Coautor: ; Hoyes, Margaret K.
7.		The U. K. conference and meetings industry: development of an inventory for attributional analysis / Lisa S. Robinson, Roger J. Callan Autor: Robinson, Lisa S. Coautor: ; Callan, Roger J.
8.		Business travellers' perception of service quality: a prefatory study of two european city centre hotels / Roger J. Callan, Gabrielle Kyndt Autor: Callan, Roger J. Coautor: ; Kyndt, Gabrielle
9.		A qualitative gambit to formulate a foundation for the appraisement of service quality in the U. K. meetings industry / Lisa S. Robinson, Roger J. Callan Autor: Robinson, Lisa S. Coautor: ; Callan, Roger J.