WIRELESS SPY ROBOT. International Engineering Journal For Research & Development, [S. l.], v. 6, n. ICMRD21, p. 4, 2021. DOI: 10.17605/OSF.IO/24DBY. Disponível em: https://www.iejrd.com/index.php/iejrd/article/view/1781. Acesso em: 1 oct. 2026.