HANSEN, Jerry; SUTABRI, Tata. Mendesain Cyber Security Untuk Mencegah Serangan DDoS Pada Website Menggunakan Metode Captcha. Digital Transformation Technology, [S. l.], v. 3, n. 1, p. 289–298, 2023. DOI: 10.47709/digitech.v3i1.2764. Disponível em: https://itscience.org/jurnal/index.php/digitech/article/view/2764. Acesso em: 2 sep. 2026.