Khalifa, S. . A., & M. Shalhi, A. . M. (2021). Shale Oil as Feedstock for Libyan Conventional Crude Oil Existing Refineries: . Conference On Engineering Science and Technology, 6(5، مجلة الجامعة الأسمرية), 790-783. https://conf.asmarya.edu.ly/index.php/cest2021/article/view/158