Environmental protection programs and conservation practices of hotels in Ankara, Turkey / Nazmiye Erdogan, Emin Baris
Taxing tourism: the case of rental cars in Mallorca / Teresa Palmer-Tous, Antoni Riera-Font, Jaume Rosselló-Nadal
Tourism demand forecasting models : choice of appopriate variable to represent tourists'cost of living / Christine A. Martin, Stephen F. Witt
Trends in the technology and economics of air transport / K.G. Wilkinson