Silva, E., 		Franco, N., 		Ferro, M., & 		Fidalgo, R.
(2019).
 Mental Workload Impact of a Visual Language on Understanding SQL Queries.
In <em>Proceedings of the 30th Brazilian Symposium on Computers in Education</em>, (pp. 239-248). Porto Alegre: SBC.
doi:10.5753/cbie.sbie.2019.239