Hydraulic and Energy Optimization of the Al-Feel–Mellitah Undulating Crude Oil Pipeline Using Nano-Engineered Internal Coatings. م ع ش [Internet]. 2026 Mar. 1 [cited 2026 Mar. 24];10(39):1872-85. Available from: https://cjos.histr.edu.ly/index.php/journal/article/view/1589