Author: Ahmad Salah El Ahmad
Publications
Publication period start: 2008
Number of co-authors: 1
Co-authors
Number of
publications with favourite co-authors
- Jeff Yan
- 1
Productive Colleagues
Most productive
colleagues in number of publications
- Jeff Yan
- 4
Publications
Yan, Jeff, Ahmad, Ahmad Salah El (2008): Usability of CAPTCHAs or usability issues in CAPTCHA design. In: Proceedings of the 2008 Symposium on Usable Privacy and Security , 2008, . pp. 44-52. https://doi.acm.org/10.1145/1408664.1408671