M. Lazim, Izzuddin, Abdul Rashid Husain, Nurul Adilla Mohd Subha, and Mohd Ariffanan Mohd Basri. “Intelligent Observer-Based Feedback Linearization for Autonomous Quadrotor Control”. International Journal of Engineering and Technology 7, no. 4.35 (November 30, 2018): 904–911. Accessed August 16, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/26280.