BUTOWSKI, Leszek. Exploring the foundations of tourism geography: between flat ontology and J. Searle’s vertical social ontology. Bulletin of Geography. Socio-economic Series, [S. l.], n. 63, p. 33–50, 2024. DOI: 10.12775/bgss-2024-0003. Disponível em: https://apcz.umk.pl/BGSS/article/view/46334. Acesso em: 4 mar. 2025.