Pereira, F. A. de M., Ramos, A. S. M., Andrade, A. P. V. de, & Oliveira, B. M. K. de. (2015). Use of virtual learning environments: A theoretical model using decomposed expectancy disconfirmation theory. Journal of Information Systems and Technology Management, 12(2), 333–350. https://doi.org/10.4301/s1807-17752015000200008