SMOLNY, K.; GAŁECKA, M. The productivity of performing art organisations versus labor costs. Ekonomia i Prawo. Economics and Law, [S. l.], v. 20, n. 4, p. 847–860, 2021. DOI: 10.12775/EiP.2021.050. Disponível em: https://apcz.umk.pl/EiP/article/view/37118. Acesso em: 19 apr. 2024.