Hydraulic and Energy Optimization of the Al-Feel–Mellitah Undulating Crude Oil Pipeline Using Nano-Engineered Internal Coatings. CJOS [انترنت]. 1 مارس، 2026 [وثق 1 سبتمبر، 2026];10(39):1872-85. موجود في: https://cjos.histr.edu.ly/index.php/journal/article/view/1589