Tarso Coelho, Vanderlei Santana, and Álvaro Coelho. 2018.
 Wordl School: streamlining English Language Teaching with gamification. In <em>Proceedings of the 18th Regional School of Computing Bahia, Alagoas, and Sergipe</em>, August 22, 2018, Aracaju, Brasil. SBC, Porto Alegre, Brasil, 583-591.