Kuntjoro, W., M. R. Abdullah, R. E. M. Nasir, and J. Jaafar. “X-Type Tilted Quadrotor Flight Dynamic Modeling”. International Journal of Engineering and Technology 7, no. 4.25 (November 30, 2018): 136–140. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/22413.