Santos, Ingrid, 		Oliveira, David, 		Carvalho, Leandro, 		Pereira, Filipe, AND 		Oliveira, Elaine.
" Transition Times in Correct and Error States as Performance Indicators in Online Judges" <em>Proceedings of the Brazilian Symposium on Computers in Education (SBIE)</em> [Online], (24 November 2020)