The relationship between marketing and ecotourism in the commercialization of tourist products and services on the coast of Piauí. Revista de Turismo: Patrimônios, Territórios descoloniais e Trabalho , [S. l.], v. 1, n. 1, 2023. DOI: 10.5281/zenodo.10180523. Disponível em: https://revistas.ufvjm.edu.br/index.php/revispatttur/article/view/290. Acesso em: 7 may. 2026.