Moraes, Aline Ferreira, et al. “Responsible Tourism Seal and Adhesion of the Lodging Facilities in São Luís, Maranhão (Brazil)”. Revista Turismo Em Análise, vol. 32, no. 3, Dec. 2021, pp. 513-31, https://doi.org/10.11606/issn.1984-4867.v32i3p513-531.