Martins, R.S. et al. 2010. Strategic purchasing attributes of lodging establishments: study of the hostels in Ouro Preto and Tiradentes in the "royal road" tourist route. Revista Turismo em Análise. 21, 2 (Aug. 2010), 320–340. DOI:https://doi.org/10.11606/issn.1984-4867.v21i2p320-340.