Daniel Moraes, Álan Guedes, Vinícius Castro, Lukas Dias, and Carlos Soares Neto. 2019.
 Analysis of a Gamification Based on Bartle Profiles in a Virtual Learning Environment. In <em>Anais do XXX Simpósio Brasileiro de Informática na Educação</em>, novembro 11, 2019, Brasília/DF, Brasil. SBC, Porto Alegre, Brasil, 912-921. DOI: <a href="https://doi.org/10.5753/cbie.sbie.2019.912">https://doi.org/10.5753/cbie.sbie.2019.912</a>.