Gole, Iulian, Raluca Georgiana Ladaru, Carmen Valentina Radulescu, and Svetlana Platagea Gombos. “ The Recent Evolution of Global Tourism: Study Case - Switzerland ”. European Journal of Sustainable Development 10, no. 4 (October 1, 2021): 54. Accessed April 20, 2024. https://ojs.ecsdev.org/index.php/ejsd/article/view/1259.