Perancangan Sistem Informasi Jual Beli Besi Tua Berbasis Web Pada CV Baja Putih. Journal of Science and Engineering, [S. l.], v. 1, n. 1, p. 12–21, 2025. Disponível em: https://journal.ajbnews.com/index.php/prothon/article/view/175. Acesso em: 11 feb. 2026.