G. Messias <em>et al.</em>" Education 4.0 and 21st Century Skills: A Case Study with Robotics Activities in Classroom", in <em>Anais do XXIX Simpósio Brasileiro de Informática na Educação</em>, Fortaleza/CE, 2018, pp. 715-724, doi: <a href="https://doi.org/10.5753/cbie.sbie.2018.715">https://doi.org/10.5753/cbie.sbie.2018.715</a>.