CHALECKA, Kinga. The realities of the introduction of energy performance certificates for buildings and flats in Poland. Ekonomia i Prawo. Economics and Law, [S. l.], v. 5, n. 1, p. 249–256, 2009. DOI: 10.12775/EiP.2009.017. Disponível em: https://apcz.umk.pl/EiP/article/view/EiP.2009.017. Acesso em: 27 jan. 2025.