Castilho, César Teixeira, e Christianne Luce Gomes. “The Role of Professionals in Two Nature-Based Activities in Brazil for Visitors’ Connection With Nature: Rock Climbing and Birdwatching”. Revista Brasileira de Ecoturismo (RBEcotur) 10, no. 1 (fevereiro 28, 2017). Acessado setembro 20, 2026. https://periodicos.unifesp.br/ecoturismo/article/view/6540.