Kiefer AP, Figueiró AS. Proposal for the Geotouristic Route of Testimonies Hills – Municipality of Agudo, Quarta Colônia Unesco World Geopark – RS-BR. physisterrae [Internet]. 2023 Dec. 31 [cited 2024 Jul. 3];5(2-3):19-33. Available from: https://revistas.uminho.pt/index.php/physisterrae/article/view/5556