R. Campos and R. Silveira.
" Multi-Agent System for Indexing and Retrieval of Learning Objects", in <em>Proceedings of the 6th Workshop-School on Agents, Environments, and Applications</em>, Florianópolis/SC, 2012, pp. 291-295, doi: <a href="https://doi.org/10.5753/wesaac.2012.33157">https://doi.org/10.5753/wesaac.2012.33157</a>.