F. Fitria, M. Yahya, M. I. Ali, P. Purnamawati, and A. M. Mappalotteng, “The Impact of System Quality and User Satisfaction: The Mediating Role of Ease of Use and Usefulness in E-Learning Systems ”, Int. J. Environ. Eng. Educ., vol. 6, no. 2, pp. 119-131, Aug. 2024.