"CAPTCHA for children."

Sajad Shirali-Shahreza, Mohammad Shirali-Shahreza (2008)

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DOI: 10.1109/SYSOSE.2008.4724188

access: closed

type: Conference or Workshop Paper

metadata version: 2017-05-17

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Sajad Shirali-Shahreza, Mohammad Shirali-Shahreza:
CAPTCHA for children. SoSE 2008: 1-6

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