Romão, João, João Guerreiro, and Paulo M. M. Rodrigues. “Territory and Sustainable Tourism Development: a Space-Time Analysis on European Regions”. REGION 4, no. 3 (July 24, 2017): 1–17. Accessed November 15, 2024. http://region.wu.ac.at/ojs/index.php/region/article/view/142.