JARKA, S. FINANCIAL EFFICIENCY IN LARGE AREA COMPANIES. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 8, n. 4, p. 51–59, 2009. Disponível em: https://aspe.sggw.edu.pl/article/view/759. Acesso em: 27 feb. 2024.