ZALAT, mohamed. Front Matter. Studies in Business and Economics (SBE), [S. l.], v. 14, n. 2, 2019. DOI: 10.29117/sbe.2008.0045. Disponível em: https://journals.qu.edu.qa/index.php/SBE/article/view/713. Acesso em: 9 jan. 2026.