Trstenjak A, Tomas Žiković I, Žiković S. How to Make EU Tourism Sector Greener, more Efficient and Sustainable: A Bibliometric Analysis. IJEEP [Internet]. 2023 Mar. 24 [cited 2025 Apr. 13];13(2):77-85. Available from: https://econjournals.com.tr/index.php/ijeep/article/view/13926