SCHRÖDER, J. Exploring Geotourism in Lake Constance: A Qualitative Study of Expert Insights. Science International Empirical Review, [S. l.], v. 2, n. 1, p. 59–71, 2024. DOI: 10.52514/sier.v2i1.34. Disponível em: https://sier-journal.com/index.php/SIER/article/view/34. Acesso em: 29 sep. 2025.