V. Terra, A. Inocêncio, H. Costa, and P. Parreira Júnior.
" EasyHalf - A Web Application for Improving the Process for Obtaining Half Price Discount", in <em>Proceedings of the 26th Workshop on Computing at School</em>, Evento Online, 2020, pp. 389-398, doi: <a href="https://doi.org/10.5753/cbie.wie.2020.389">https://doi.org/10.5753/cbie.wie.2020.389</a>.