SADKOWSKI, Wojciech; SALA, Krzysztof. Perception of the quality costs in historical hospitality services: evidence from Poland. Ekonomia i Prawo. Economics and Law, [S. l.], v. 21, n. 1, p. 239–254, 2022. DOI: 10.12775/EiP.2022.013. Disponível em: https://apcz.umk.pl/EiP/article/view/37351. Acesso em: 8 jul. 2025.