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"Personal CAPTCHA-based authentication protocol."
Natalia Krzyworzeka, Lidia Ogiela, Marek R. Ogiela (2024)
- Natalia Krzyworzeka, Lidia Ogiela, Marek R. Ogiela:
Personal CAPTCHA-based authentication protocol. Comput. Secur. 137: 103613 (2024)
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