Aplikasi dan Game Edukasi Sandi Semaphore Berbasis Multimedia. EPSILON: Journal of Electrical Engineering and Information Technology, [S. l.], v. 19, n. 3, p. 89–94, 2022. DOI: 10.55893/epsilon.v19i3.67. Disponível em: https://epsilon.unjani.ac.id/epsilon/article/view/67. Acesso em: 10 feb. 2026.