1.		Estimating the carbon footprint of Australian tourism / Larry Dwyer [et al.] Resp- Sec.: Dwyer, Larry Forsyth, Peter Spurr, Ray Hoque, Serajul
2.		Managing solid waste in small hotels / Hatem R. I. Radwan, Eleri Jones, Dino Minoli Autor: Radwan, Hatem R. I. Coautor: ; Jones, Eleri Minoli, Dino
3.		Short-haul city travel is truly environmentally sustainable / Sara Dolnicar, Christian Laesser, Katrina Matus Autor: Dolnicar, Sara Coautor: ; Laesser, Christian Matus, Katrina
4.		Intention to pay conventional-hotel prices at a green hotel - a modification of theory of planned behavior / Yunhi Kim; Heesup Han Autor: Kim, Yunhi Coautor: ; Han, Heesup
5.		Manual de Montanhismo Data Publicação: 2010 Col.autor: Federação de Campismo e Montanhismo de Portugal
6.		Application of the theory of planned behavior to green hotel choice: testing the effect of environmental friendly activities / Heesup Han, Li-Tzang Jane Hsu, Chwen Sheu Autor: Han, Heesup Coautor: ; Li-Tzang, Hsu Sheu, Chwen