Alreck, P. L., G. R. DiBartolo, M. Diriker, H. F. Dover, K. A. Passyn, and R. B. Settle. “Time Pressure, Time Saving And Online Shopping: Exploring A Contradiction”. Journal of Applied Business Research (JABR), vol. 25, no. 5, Sept. 2009, doi:10.19030/jabr.v25i5.1009.