"Usability of Activity-Based and Image-Based Challenge Questions in Online ..."

Abrar Ullah, Hannan Xiao, Trevor Barker (2015)

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DOI: 10.1007/978-3-319-20376-8_12

access: closed

type: Conference or Workshop Paper

metadata version: 2017-06-15

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Abrar Ullah, Hannan Xiao, Trevor Barker:
Usability of Activity-Based and Image-Based Challenge Questions in Online Student Authentication. HCI (22) 2015: 131-140

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