Inglesant, P;
Sasse, MA;
(2005)
Usability is a policy issue: Minimising the "Hassle Factor" in mobile payment of the Central London Congestion Charge.
In:
Proceedings of the EURO mGOV 2005: The 1st European Mobile Government Conference.
(pp. pp. 254-263).
Mobile Government Consortium International LLC: University of Sussex, Brighton, UK.