MOSKWA-BĘCZKOWSKA, Daria. Case study of cost efficiency in selected business entities in Poland in light of current economic conditions. Ekonomia i Prawo. Economics and Law, [S. l.], v. 22, n. 4, p. 715–728, 2023. DOI: 10.12775/EiP.2023.038. Disponível em: https://apcz.umk.pl/EiP/article/view/44456. Acesso em: 8 jul. 2025.