Badulescu, Daniel, Ramona Simut, Ioana Mester, Simona Dzitac, Mariana Sehleanu, Dorin Paul Bac, and Alina Badulescu. “Do Economic Growth and Environment Quality Contribute to Tourism Development in EU Countries? A Panel Data Analysis”. Technological and Economic Development of Economy 27, no. 6 (November 18, 2021): 1509-1538. Accessed July 4, 2024. https://jeelm.vgtu.lt/index.php/TEDE/article/view/15781.