Sistem Terbuka dan Sistem Tertutup: Pengertian Serta Karakteristiknya. Musytari : Jurnal Manajemen, Akuntansi, dan Ekonomi, [S. l.], v. 25, n. 1, p. 2571–2580, 2025. Disponível em: https://cibjournal.com/index.php/musytari/article/view/3751. Acesso em: 3 oct. 2026.