@inproceedings{inproceedings90a04495, title = {Work in progress: enhancing interactive geometry systems with intelligent tutoring features}, author = {Dalmon, Danilo Leite and Isotani, Seiji and Brandão, Anarosa Alves Franco and Brandão, Leônidas de Oliveira}, year = {2011}, doi = {10.1109/FIE.2011.6142916}, publisher = {IEEE}, booktitle = {ASEE/IEEE Frontiers in Education Conference} }