J. Silva and F. Gonçalves.
" SHOTP: A Game for Teaching and Learning the PHP Programming Language", in <em>Proceedings of the 22nd Latin American Congress on Free Software and Open Technologies</em>, Foz do Iguaçu/PR, 2025, pp. 440-446, doi: <a href="https://doi.org/10.5753/latinoware.2025.16470">https://doi.org/10.5753/latinoware.2025.16470</a>.