F. Brezolin, M. Trentin, E. Bellei, J. Brezolin, and C. Velloso.
" A playful IoT device for monitoring environmental variables: An applied experience in elementary education", in <em>Proceedings of the 29th Brazilian Symposium on Computers in Education</em>, Fortaleza/CE, 2018, pp. 91-98, doi: <a href="https://doi.org/10.5753/cbie.sbie.2018.91">https://doi.org/10.5753/cbie.sbie.2018.91</a>.