Böck, Martha Cavalheiro, Otacílio Lopes de Souza da Paz, and Eduardo Vedor de Paula. 2023. “Environmental Impacts of Unorganized Cave Tourism: A Study on the Public Use of the Gruta Da Lancinha – Rio Branco Do Sul, State of Paraná, Brazil”. Ateliê Geográfico Journal 17 (1): 274-304. https://doi.org/10.5216/ag.v17i1.73513.