MROCZEK-CZETWERTYŃSKA, Agnieszka; CZETWERTYŃSKI, Sławomir. Impact of Regulations on Transparency of Spa & Wellness Market in Poland. Oeconomia Copernicana, [S. l.], v. 4, n. 4, p. 91–102, 2013. DOI: 10.12775/OeC.2013.033. Disponível em: https://oeconomia.pl/index.php/oc/article/view/426. Acesso em: 21 jan. 2026.