25.		O turismo na economia : uma abordagem técnica, económica, social e cultural / Mário Baptista Autor: Baptista, Mário Data Publicação: 1990
26.		The economic contribution of conventions : the case of Orlando, Florida / Bradley M. Braun Autor: Braun, Bradley M.
27.		Tourism in Antarctica : activities, impacts, and management / C. Michael Hall Autor: Hall, Michael C.
28.		The effect of the across-the-border travel of Canadian tourists on the city of Spokane : a replication / K. W. Kendall, Lothar Kreck Autor: Kendal, K. W. Coautor: ; Kreck, Lothar
29.		Evaluación de la eficiencia económica de la demanda turística extranjera / Mª Cruz Cobisa Pérez Autor: Cobisa Pérez, Mª Cruz
30.		Turismo y desarrollo / Francisco Muñoz de Escalona Autor: Muñoz de Escalona, Francisco
31.		The role of tourism in the economy of Scotland / Brian S. Duffield, Jonathan Long Autor: Duffield, Brian S. Coautor: ; Long, Jonathan
32.		Tourism's contribution to the Yugoslav economy / Mia Mikic Autor: Mikic, Mia
33.		Zimbabwe / Tony Hawkins Autor: Hawkins, Tony
34.		Portugal / Nancy Cockerell Autor: Cockerell, Nancy
35.		Sri Lanka / Robert Cleverdon Autor: Cleverdon, Robert
36.		Republic of Ireland / John McEniff Autor: McEniff, John