GŁĄBIŃSKI, Z. Analysing the tourism activity of seniors by applying the method of participant observation. Bulletin of Geography. Socio-economic Series, [S. l.], n. 33, p. 55–70, 2016. DOI: 10.1515/bog-2016-0024. Disponível em: https://apcz.umk.pl/BGSS/article/view/bog-2016-0024. Acesso em: 7 jul. 2024.