Al-Yasiri, Ahmed Jassim, and Emad Ali Abdel-Hassan. “Reality and Future of Unconventional and Renewable Energy Sources in International Energy Markets”. Al-Ghary Journal of Economic and Administrative Sciences 16, no. 2 (January 24, 2022): 18–38. Accessed May 1, 2024. https://journal.uokufa.edu.iq/index.php/ghjec/article/view/3250.