Ahmed, R. R., D. Štreimikienė, and J. Štreimikis. “The Extended UTAUT Model and Learning Management System During COVID-19: Evidence from PLS-SEM and Conditional Process Modeling”. Journal of Business Economics and Management, vol. 23, no. 1, Jan. 2022, pp. 82–104, doi:10.3846/jbem.2021.15664.