Bittencourt, Ig, 		Brito, Patrick, 		Pedro, Alan, 		Isotani, Seiji, 		Jaques, Patrícia, AND 		Rubira, Cecília.
" Challenges of Software Engineering in Education: Variability of Intelligent Educational Systems and Large-scale Instantiation" <em>Proceedings of the Computer Challenges Workshop on Education (DesafIE!)</em> [Online], (16 July 2012)