Gulshan, Z. A., M. Z. H. Ali, M. S. Shah, D. Nouman, M. Anwar, and M. F. Ullah. 2021. “A Robust Control Design Approach for Altitude Control and Trajectory Tracking of a Quadrotor”. Electrical Engineering & Electromechanics, no. 5 (October):17-23. https://doi.org/10.20998/2074-272X.2021.5.03.