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A Study on River Ecotourism Development: Case Study: Karaj River. International Journal of Geography and Geology, [S. l.], v. 5, n. 4, p. 73–85, 2016. DOI: 10.18488/journal.10/2016.5.4/10.4.73.85. Disponível em: https://archive.conscientiabeam.com/index.php/10/article/view/1954. Acesso em: 22 sep. 2026.