ABHISHEK ARVIND; PRADYUMNA MAHAJAN; RISHIKESH CHALKE. TOTP Based Authentication Using QR Code For Gateway Entry System. International Journal of Engineering and Computer Science, india, v. 9, n. 05, p. 25023–25028, 2020. DOI: 10.18535/ijecs/v9i05.4481. Disponível em: https://ijecs.in/index.php/ijecs/article/view/4481. Acesso em: 22 jul. 2024.