Hussain , Kazi Tauhid Mokbul, Mobin Kabir, Irfan Talukder, and Farhan Rahman Atul. “CFD-Derived Parasite-Drag Law of an Octocopter Airframe With Endurance Implications”. SciEn Conference Series: Engineering 4 (August 2, 2026): 501–506. Accessed August 6, 2026. https://scienpg.com/scs/index.php/engineering/article/view/scse.2026.4.223.