ATTIA, H.; ALBER, N. Bank Efficiency, Competition and Concentration in MENA Region Countries: A Granger Causality Approach. European Journal of Business and Management Research, [S. l.], v. 7, n. 6, p. 35–42, 2022. DOI: 10.24018/ejbmr.2022.7.6.1688. Disponível em: https://ejbmr.org/index.php/ejbmr/article/view/1688. Acesso em: 21 feb. 2024.