Wisnujati, P., and S. A. Akbar. “The Stability of the Fixed Wings Unmanned Aircraft Using the PID Method at KRTI 2019”. Buletin Ilmiah Sarjana Teknik Elektro, vol. 5, no. 2, June 2023, pp. 230-8, doi:10.12928/biste.v5i2.6478.