., Sirojuddin, R Engineu, and Wardoyo . “Aerodynamic Drag Reduction of Vehicle Si Pitung G4 UNJ for Shell Eco-Marathon Asia 2015”. KnE Social Sciences 3, no. 12 (March 25, 2019): 304–311. Accessed May 4, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/4096.