TEJA, K. S. S. .; ROOBAN, S. . Multi UAV and Geometrical Shape Trajectory Planning Using PD Controller. International Journal of Intelligent Systems and Applications in Engineering, [S. l.], v. 12, n. 7s, p. 272–284, 2023. Disponível em: https://www.ijisae.org/index.php/IJISAE/article/view/4071. Acesso em: 11 oct. 2025.