Araujo, H. R. de, Lobo, H. A. S., & Travassos, L. E. P. (2019). Evaluation of the private participation in the implementation and management of ecotourism in cavernas do PeruaƧu national park, Brazil. Acta Carsologica, 48(3). https://doi.org/10.3986/ac.v48i3.7273