Rouane, Lahcene, and Kamel Drid. “The World Tourism Organization Between Goals and Obstacles to Tourism Sustainability”. Journal of Legal Studies and Researches 7, no. 1 (January 15, 2022): 123–139. Accessed December 19, 2025. https://journals.univ-msila.dz/index.php/JLSR/article/view/815.