BARROS , Mateus de Sá Barreto. Continuities, discontinuities and challenges for development based on ecotourism and adventure tourism in the Baixo Parnaíba region of Maranhão. Seven Editora, [S. l.], 2023. Disponível em: https://sevenpubl.com.br/editora/article/view/2636. Acesso em: 21 aug. 2025.