Trustworthy mobile transactions: a longitudinal study on M-PESA in Kenya. Latusek, & Gerbasi (Eds.), Trust and Technology. 2010;:160–173. .
Examining trust in mobile banking transactions: The case of M-PESA in Kenya. In IFIP International Conference on Human Choice and Computers. Springer, Boston, MA; 2008. pp. 287–298. .