F. Gonçalves, J. Reis, A. Prado, and M. Baranauskas.
" On the Fly Design: Evolving a Collaborative System to Support Active Learning", in <em>Anais do XXVI Simpósio Brasileiro de Informática na Educação</em>, Maceió/AL, 2015, pp. 394-403, doi: <a href="https://doi.org/10.5753/cbie.sbie.2015.394">https://doi.org/10.5753/cbie.sbie.2015.394</a>.