KASTURI VASANTH RAJ; DR. MADANA SRINIVAS; DR. P. VENKATESHWARLU. ENHANCED SECURE LOGIN SYSTEM USING CAPTCHA AS GRAPHICAL PASSWORDS. International Journal of Data Science and IoT Management System, [S. l.], v. 4, n. 4, p. 61–65, 2025. DOI: 10.64751/. Disponível em: https://ijdim.com/journal/index.php/ijdim/article/view/151. Acesso em: 20 apr. 2026.