CZAJOR , Przemysław; MICHALAK , Marcin. EBITDA as an Indicator of Operating Cash Flows - Empirical Verification. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 6, n. 8, p. 30–45, 2018. DOI: 10.18559/SOEP.2018.8.3. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3851. Acesso em: 3 sep. 2026.