CAPTCHA Design Color, Usability, and Security (2012)

Author(s): El Ahmad A, Yan J, Ng WY

      • Date: 01-03-2012
      • Journal: IEEE Internet Computing
      • Volume: 16
      • Issue: 2
      • Pages: 44-51
      • Publisher: IEEE
      • Publication type: Article
      • Bibliographic status: Published

      Keywords:

      Staff

      Dr Jeff Yan
      Lecturer