SYAM, Rafiuddin. Simple Design of VTOL Hexacopter for Simple Navigation. International Journal on Smart Material and Mechatronics, [S. l.], v. 4, n. 1, p. 243–247, 2017. Disponível em: https://ijsmm.id/index.php/ijsmm/article/view/21. Acesso em: 27 aug. 2025.