Moya, M., . S. E. . Nakalema, and C. . Nansamba. “Behavioural Intention: Mediator of Effort Expectancy and Actual System Usage”. Operations Research Society of Eastern Africa, vol. 7, no. 1, June 2017, pp. 71-86, https://orseajournal.udsm.ac.tz/index.php/orsea/article/view/61.