WATER SPRINGS AS A RESOURCE FOR NATURE TOURISM IN LATVIA: A TOURIST PERSPECTIVE. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 1, p. 30–37, 2021. DOI: 10.17770/etr2021vol1.6614. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4389.. Acesso em: 11 mar. 2026.