Luis Tornquist, Rejane Frozza, Daniela Bagatini, and Andréa Konzen. 2009.
 Intelligent Agents Acting in Virtual Bookstores. In <em>Proceedings of the 3rd Workshop-School on Agents, Environments, and Applications</em>, May 20, 2009, Caxias do Sul/RS, Brasil. SBC, Porto Alegre, Brasil, 79-88. DOI: <a href="https://doi.org/10.5753/wesaac.2009.33100">https://doi.org/10.5753/wesaac.2009.33100</a>.