Santos, I., 		Oliveira, D., 		Carvalho, L., 		Pereira, F., & 		Oliveira, E.
(2020).
 Transition Times in Correct and Error States as Performance Indicators in Online Judges.
In <em>Proceedings of the 31st Brazilian Symposium on Computers in Education</em>, (pp. 1283-1292). Porto Alegre: SBC.
doi:10.5753/cbie.sbie.2020.1283