Santos, J., 		Sousa, J., 		Mello, R., 		Cristino, C., & 		Alves, G.
(2021).
 A Model for Analyzing the Impact of Retention and Dropout in Higher Education Using Absorbing Markov Chains.
In <em>Proceedings of the 32nd Brazilian Symposium on Computers in Education</em>, (pp. 813-823). Porto Alegre: SBC.
doi:10.5753/sbie.2021.218219