157.		Competitividade através da diferenciação / Armando Dinis Correia Autor: Correia, Armando Dinis
158.		Ambiente, qualidade e segurança / Luis Milreu Autor: Milreu, Luis
159.		The place of interpretation: a new approach to the evaluation of interpretation / Emma J. Stewart [et al.] Autor: Stewart, Emma J. Coautor: ; Hayward, Bronwyn M. Devlin, Patrick J. Kirby, V.G.
160.		Environmental regulation of tourism : impact on business innovation / A-M. Hjalager Autor: Hjalager, Anne-Mette
161.		The effectiveness of environmental education : can we turn tourists into greenies? / Mark B. Orams Autor: Orams, Mark B.
162.		The politics of tourism and conservation organisations : the case of Victorian National Parks Association 1952-1996 / Bob McKercher Autor: Mckercher, Bob
163.		Political ecology of tourism / Susan C. Stonich Autor: Stonich, Susan C.
164.		Ambiente, um amigo do turismo / Dirhotel Col.autor: Dirhotel
165.		Ecotourism opportunities for developing countries / Donald E. Hawkins and Maryam M. Khan Autor: Hawkins, Donald E. Coautor: ; Khan, Maryam M.
166.		Tourisme durable : vers une charte européenne du tourisme durable dans les espaces protégés / Sandrine Vautier Autor: Vautier, Sandrine
167.		Importância da inovação, criatividade, animação e ambiente / Carlos Lima Autor: Lima, Carlos
168.		Myth and the discourse of Texas: heritage tourism and the suppression of instinctual life / Keith Hollinshead Autor: Hollinshead, Keith