SCHRÖDER, J. The influence of geotourism within the marketing strategy of the Lake Constance region. Science International Empirical Review, [S. l.], v. 1, n. 2, p. 333–354, 2022. DOI: 10.52514/sier.v1i2.32. Disponível em: https://mail.sier-journal.com/index.php/SIER/article/view/32. Acesso em: 28 oct. 2025.