ŁOBOS, K.; SZEWCZYK, M. Factors Affecting EBIT of Companies Engaged in Quarrying of Stone in Opolskie Voivodship and Dolnośląskie Voivodship. Regional Barometer. Analyses & Prognoses, [S. l.], n. 2 (28), p. 57–63, 2012. DOI: 10.56583/br.1238. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1238. Acesso em: 8 nov. 2024.