Juliana Braga, Silvia Dotta, Edson Pimentel, and Beatriz Stransky. 2012.
 Challenges for the Development of Reusable and Quality Learning Objects. In <em>Proceedings of the 1st Challenges of Computing applied to Education Workshop</em>, July 16, 2012, Curitiba/PR, Brasil. SBC, Porto Alegre, Brasil, 70-79.