EVANS, Olaniyi. Improved financial performance without improved operational efficiency: the case of Nigerian firms. Forum Scientiae Oeconomia, [S. l.], v. 6, n. 3, p. 25–39, 2018. DOI: 10.23762/FSO_VOL6_NO3_2. Disponível em: https://ojs.wsb.edu.pl/index.php/fso/article/view/157. Acesso em: 18 sep. 2026.