Gomes, Carolina Ribeiro, Mucio do Amaral Figueiredo, and Geraldo Majela Moraes Salvio. “Recreational Opportunities Offered in Protected Natural Areas: Analysis of the Most Visited National Parks in Brazil and the United States of America in 2017”. Sociedade & Natureza 33 (June 30, 2021). Accessed December 22, 2024. https://seer.ufu.br/index.php/sociedadenatureza/article/view/58518.