Antônio Costa. 2018.
 Elementary Economic Systems in Material Agent Societies. In <em>Proceedings of the 12th Workshop-School on Agents, Environments, and Applications</em>, May 02, 2018, Fortaleza/CE, Brasil. SBC, Porto Alegre, Brasil, 12-24. DOI: <a href="https://doi.org/10.5753/wesaac.2018.33251">https://doi.org/10.5753/wesaac.2018.33251</a>.