فهيم .فتوح محمود; سليمان فرج محمد. " Obstacles Facing Educational Research at the University: Impeding the Achievement of the Principles of Competitive Advantage and Competitiveness - A Critical Perspective. Tobruk University Journal of Social and Human Sciences, طبرق، ليبيا, n. 15, p. 644–668, 2024. DOI: 10.64516/ar3j1562. Disponível em: https://journals.tu.edu.ly/tujsh/index.php/JSHS/article/view/236. Acesso em: 11 aug. 2025.