Seleem, M. S., R. Sameh, R. R. Esily, and D. M. Ibrahiem, "A closer look at bio-hydrogen strategy in post-carbon age and its prospect in Egypt", Journal of Environmental Management, vol. 345, 2023.
Ibrahiem, D. M., and R. Sameh, "Financial development and natural resources nexus in Egypt: the role of clean energy sources and foreign direct investment", International Journal of Energy Sector Management, vol. 16, issue 4, 2022.
Esily, R. R., D. M. Ibrahiem, R. Sameh, and N. Houssam, "Assessing environmental concern and its association with carbon trade balances in N11 Do financial development and urban growth matter?", Journal of Environmental Management, vol. 320, 2022.
Ibrahiem, D. M., and R. Sameh, "How do clean energy sources and financial development affect unemployment? Empirical evidence from Egypt", Environmental Science and Pollution Research , vol. 27, pp. 22770–22779, 2020.