LEVYTSKYY, Arthur. Competitiveness of tourism product: evaluation and approaches to provision. Journal of Geography, Politics and Society, [S. l.], v. 5, n. 2, p. 7–18, 2015. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/JGPS/article/view/3720. Acesso em: 7 may. 2024.