1.		Everest tourism: forging links to sustainable mountain development. A critical discourse on politics of places and peoples / Sundar Kumar Sharma, Prabin Manandhar, Sarba Raj Khadka Autor: Sundar, Kumar Sharma Coautor: ; Prabin, Manandhar Sarba, Raj Khadka
2.		Guia de Boas Práticas Ambientais para o Sector HORECA / AHRESP- Associação da Hotelaria, Restauração e Similares de Portugal; Ministério do Ambiente e do Ordenamento do Território Col.autor: AHRESP. Associação da Hotelaria, Restauração e Similares de Portugal
3.		US restaurant companies' green marketing via company websites: impact on financial performance / Sunny Ham, Seoki Lee Autor: Ham, Sunny Coautor: ; Seoki, Lee
4.		How can tourism use land more efficiently? A model-based approach to land-use efficiency for tourist destinations / Susanne Kytzia, Ariane Walz, Mattia Wegmann Autor: Kytzia, Susanne Coautor: ; Walz, Ariane Wegmann, Mattia