FARUK DAYI; TOLGA ULUSOY. THE EFFECT OF OPERATING RATIOS ON FIRM VALUE: AN APPLICATION IN EUROPEAN AIRLINES. International Journal of Eurasia Social Sciences , [S. l.], v. 11, n. 40, p. 493–518, 2020. DOI: 10.35826/ijoess.2601. Disponível em: https://rrpubs.com/index.php/ijoess/article/view/1252. Acesso em: 6 jul. 2025.