338.4791 Eag : Sustainable tourism in protected areas : guidelines for planning and management / Paul F.J. Eagles, Stephen F. McCool and Christopher D. Haynes.; Eagles, Paul F. J.,
338.4791 Gos : Tourism and global environmental change : ecological, social, economic and political interrelationships / edited by Stefan Gössling and C. Michael Hall.
338.4791 Haw : The greening of tourism from principles to practice : a casebook of best environmental practice in tourism / edited by Suzanne Hawkes and Peter Williams.
1993
1
338.4791 Hea : Marketing tourism destinations : a strategic planning approach / Ernie Heath, Geoffrey Wall.; Heath, Ernie.