@article{silva-melo_guedes_melo_2021,  title={Sustainability Index of the Gruta do Lago Azul Natural Monument, Bonito Mato Grosso do Sul, Brazil},  volume={33},  ISSN={1982-4513},  url={https://doi.org/10.14393/SN-v33-2021-53828},  DOI={10.14393/SN-v33-2021-53828},  journal={Sociedade & Natureza},  publisher={Editora da Universidade Federal de Uberlândia - EDUFU},  author={Silva-Melo, Marta Regina da and Guedes, Neiva Maria Robaldo and Melo, Gleidson André Pereira de},  year={2021},  pages={e53828} }