KADA, Belkacem. Design of Flight Control Systems for a Hypersonic Aircraft Using sliding-PID Control. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 66, n. 1, p. 225–235, 2020. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/5777. Acesso em: 21 sep. 2025.