João Gluz, Tânia Cabral, Paulo Baggio, and Paulo Livi. 2007. Helping students of introductory calculus classes: the Leibniz pedagogical agent. In Proceedings of the 1st Workshop-School on Agents, Environments, and Applications, April 16, 2007, Pelotas/RS, Brasil. SBC, Porto Alegre, Brasil, 51-64. DOI: https://doi.org/10.5753/wesaac.2007.33034.